The purpose of Splat Bomb is very plainly stated in the name. It's designed to splat people.
It feels like this is the basis of your entire argument, but... no, not really. It's designed to move people. Maybe against dynamo or something it could be unfair, but other than that, even slower weapons can squid roll the bomb.
The purpose of Splat Bomb is very plainly stated in the name. It's designed to splat people. I don't like that about the sub.
See, everything you listed is fine, it being a way to remove an escape route, serve as a get-off-me tool, even have its 30 damage combos.
The issue is that you can also just roll it at someone and if they don't get out of its close radius in half a second they instantly die.
It's a full second, not half of one, and making them leave the radius quickly is the whole point. There's also another point I'll get to later.
I personally have jumped into a splat bomb too many times with a squiffer, but a longer explosion time wouldn't fix that.
I think we might be getting into personal peeve territory, but I've already come this far, so why not?
I don't think any bombs should do lethal damage. I think they should all cap out at 70 damage, except maybe Suction Bomb.
Lethal bombs' one-shot potential is not only extremely annoying and disproportionately effective against slower weapons like Dynamo and Explosher, it's also completely unjustified.
The thing about slower weapons is that you usually can't roll the splat bomb straight at them. With the exception of dynamo, they all like playing from further back and usually from high ground, so they have the whole time while the splat bomb is traveling through the air plus another second to move out of the way. As an e-liter, splat bombs by themselves rarely do anything more than take my laser off the map for a second or two, which is completely fair for 70% of the ink tank. If I could just tank a splat bomb to the face, I would get to not care, and that takes away a whole lot of the utility of splat bomb.
Without lethal damage, bombs would still be better than most utility subs, and far fewer buffs would be needed to make options like Curling Bomb or Toxic Mist viable in comp play. Making all bombs non-lethal would be nothing but healthy for the game, not just encouraging that players follow up on their bombs to get splats, but requiring it.
I highly doubt they would still be as good as you think, because they
already require follow-up. Faster weapons that play from closer ranges can move out of the way or squid roll the bomb pretty easily, but it stops their ability to move forward and leaves them more vulnerable to the opponent who threw the bomb, and slower weapons that play from further back get more time to react, while still being forced to have less of an impact on the game temporarily. That's what makes it so well designed. As I've mentioned before, really the only major exception to this is dynamo, which is the slowest weapon in the game but still plays from relatively far forward.
Plus, this change would actually make slower weapons even more worse than faster weapons against splat bomb, because the faster weapons could just tank the 70 damage, paint their feet, and run, but the slower weapons would be stuck in ink with not very much health left, making them very easy to finish off.
Following up on this, I feel like it's fair to also nerf Fizzy Bomb's damage to 45 direct and 30 indirect, and increase the ink consumption of Burst Bomb and Torpedo by 5% each. It'd be silly to nerf all the lethal bombs and then just leave the non-lethals sitting at the top of the tier lists unchanged.
Fizzy bomb should keep its damage numbers for the same reason as splat bomb, especially since getting all 3 explosions requires you to stand there charging it, giving even more time to react.
Burst bomb is already very ink hungry for what it does, especially since it already got a 5% consumption nerf.
Torpedo can be annoying for slower weapons, but it already takes a while to land, and the rolled mode is basically splat bomb with the nerf you wanted.
These subs are all stronger than utility subs, but I don't see any reason to nerf them instead of buffing the utility subs more.
Also, to make things fair for bombs in light of this upheaval, remove Sub Defense Up outright.
As much as I'm in favor of this, it's not really something we can do.