Evolving back to not having this inborn acquired taste?
No but seriously, just sheer will and keeping an eye on what we eat. Buy raw ingredients and cook for yourself. Make high quality food with what you can afford. (Basic ingredients are cheaper anyway.)
I don’t know him at all since I don’t have access to the channels he was on, but I take it he was some kind of “news” anchor that people didn’t really like? Or where’s the hate coming from?