I mean... I have to eat. Is seafood any worse than land animal production?
To me the big difference is that seafood affects a natural ecosystem and species vs. farmed land animals.
Facts seem valuable when making individual decisions that affect the planet, especially when we wring our hands and wonder when someone else will do something to solve our environmental problems.
Some of the answers are right there in front of you every day.
No vegan even commented, I find vegan-bashing so much worse than vegan-evangelism. I'm seriously getting vegan fatigue fatigue.
It's a bit strange how often people will aggressively make either point 1 or 2, and then concede that the other is also true, but then decry the 3rd, which follows from 1 and 2, to be ridiculous pessimism.
Companies provide what people demand. If our demands change, then they will change. It's the only way.