Issue is, fascists engage in entryism a lot more than leftists, so there's a good chance it'll get flooded with plausible sounding but fake reports (pretty easy to AI generate then touch it up by hand to hide the telltale signs), or at worse will be used to harass marginalized folks by trying to frame 10+ year old posts (if not completely fake ones) as representative of someone today. Also you'll be creating them an easy to search solidarity list, so they'll be just supporting those projects even more.