So... you are telling me legality doesn't mean wide support, like population do not have the possibility to change legality by voting parties which do not support bullfighting or actually support banning it.

If people in some places don't give a fuck about bullfighting this same people is actually supporting it, since the very moment their passiveness allow it to keep existing. That's why the regulation changes from communities to communities. Go to Galicia and try to organize such a event, and tell me what happens, for example.