Anything you’ve ever posted on the Internet will be there forever - and employers have a way of dredging up all kind of things from years past.
We always told our high school students to mind what they posted b/c it is and will be posted forever, and will be dredged up with possible dire consequences.
Yes, which is why my wife made me quite Facebook. My political opinions could have put her job in jeopardy.
Within days of the October 7th attack lists were being compiled of the companies, schools and individuals who supported Hamas. IIRC someone at Yale had thousands on his list.
Israel tracked down former Nazis for 80 years. Expect that the current lists of Hamas supporters will last a long time.