Not quite; it's the fact that COVID has reverse transcriptase at all, not the fact it shares snippets with HIV.
The segments in common with HIV need not be the segments that create RT; I haven't checked either way.
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Apparently the experts don't agree, or they were simplifying it to talk to me. Basically since the US don't fund research to prove the vaccines are not safe, a way for the researchers to question the vax logically is to say, 'Well, it has a fragment of hiv...." I think what's going on is they have more information than they dare share so saying HIV has RT and the vax have frag of HIV, is a way to keep your head down.
If they make too much noise they get their careers ruined.
Cancel culture in the sciences started with Gore-bull warming (I think there are emails out there from folks at the University of East Anglia discussing how to trash one of their opponents. It’s been awhile, I might be misremembering part).