I get what you’re saying, and as it turns out, I have reviewed an electrician (Google reviews); and a plumber, appliance repair, mechanic and too many restaurants to count; both positively and with constructive criticism. There’s reviews for everything - case in point, Perb. So just as I appreciate detailed reviews before I try a new resto, I am the same with a potential SP I’m considering visiting. Do some dudes brag? Sure, but so do folks on Trip Advisor about their tropical vacation or Michelin dinner. No harm, no foul.
I appreciate a diversity of opinions and for folks who are too much for my tastes (of whom there have only been a few over the years) there is the ignore button. The mods do an admirable job of pruning the tree and most of us are pretty good at spotting a shill.