The "part of our cultural heritage" excuse is not a positive argument, as many cultures have some pretty horrible practices in their heritage. In fact, some cultures were successful colonists. Should they be allowed to capture the Faroe islands and enslave the locals under the guise of "cultural heritage"? Times change, and human society on the whole must change. Cultures that refuse to change can and sometimes shoul…
I agree with the argument you're making, but not with your colonist example. Dolphins, after all, are animals, not people. "Cultural heritage" argument is in a league of its own when it comes to harming humans.
https://www.giveindia.org/blog/four-reasons-why-india-recogn...