I came back to bitcointalk in December 2022 after few years break. Today I realised that there doesn't seem to be any forum ads. I checked Theymos' post history and looks like the last ad auction round was 353 from July 2022.

Has the forum officially withdrawn from selling ads? Can anyone explain what was the logic behind that decision (or just link me to relevant post)?

Is the forum only generating revenue from donations now? Doesn't seem like a viable business model.