They like it as meat, but they also like the parts of their culture associated with it.
The same way an American would like the turkey AND the thanksgiving dinner, and would like to continue having both, and not just because of turkey meat, but as a combo.
The fact that people have now changed their minds on that particular matter doesn't mean that anything people haven't changed their minds but consider tradition is equally wrong.
Or that there's some law-of-nature-style "right and wrong" aside what a culture deems as such. For all our modern posturing, if we were merely born 200 years ago in the US, heck, not even the South, we would statistically be far more likely to be in favor than against the practice (and still be considered perfectly "modern" for those times).
No, but it does mean that tradition can be an obstacle for considering the rightness of an action.
> Or that there's some law-of-nature-style "right and wrong" aside what a culture deems as such.
Agreed. But if we assume some basic principles (e.g. like preventable pain and suffering should be avoided or human existence is good or whatever), then we can question whether something is right according to those principles.
The reason the whaling industry still exists is because it receives government support for being a "protected tradition".
Still fishing is a general hard field.