That's not the reason for it. They want to ensure it isn't normalized. If you start seeing a lot of people openly saying they're anti-zionist, people who seem reasonable and generally agree with you, then you may consider that the propoganda you've been fed saying it's wrong inst accurate.

A lot of young right wingers are complaining that people knowing their political stances makes it hard to date. They're hoping to trick people into dating them, effectively.