Why are some guys so triggered?

I had one guy saying most teenage girls don't like older men in their 20s to 50s and that my experience is in the minority because I said many do like men in those ages from an early age.

I liked men in their 30s and 40s when I was a teenager, and had sex with a few, yet men get triggered about this, and deny it, and go berserk when someone claims it happens, is it jealousy or ignorance?
Why are some guys so triggered?
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