I unblock ads on AVForums. And honestly, the ads are either really well targeted (because I'm probably going to buy that amplifier eventually), or random ebay stuff.
If they started serving up the generic "reduce belly fat in 2 seconds with this simple trick" with some AI generated picture, I'd re-evaluate very quicly.
Finally, a local WEEE company gets to make a few hundred bucks selling off the glorified VOC sensors at the end.