One flavor is just detecting acid (sour), and so a strong enough sour flavor would chemically destroy your taste buds by basically dissolving them. I think this is fairly similar to the fact that too bright a light will damage the light detection in your eye. I’m not sure about any others tastes or smells though.

I’m a big fan of Alton Brown for both cooking and baking information. He had a television show called Good Eats, but these days he has a YouTube channel. A good video to start with might be one to make sure your knife technique is good, since this makes lots of cooking easier: https://m.youtube.com/watch?v=yqsW4O8Ejmw

It’s not what free speech means, but they’re using his own words against him. Of course we clearly can’t expect any consistency from conservatives, “free speech for me” etc.