This is terrible for hobby boards because it means that content from long-timers gets drowned out by newbies asking the same questions over and over. In my experience hobby subreddits are completely dominated by inexperienced newbies giving one another the same cargo-cult advice. That, and straight up image posts with literally 0 value (for example the front page of /r/simracing at any given moment is usually about 30-50% pictures of just a steering wheel / rig from someone saying "got my new wheel/rig today").

The old days of forums were great for hobbyists because the long-running threads would stretch into the dozens or hundreds of pages of comments. Newbies could be directed to the longer threads or deep-linked directly to older comments. The format surfaced all posts, but did not favour recency - old threads could be revived (necro'd) or kept up top indefinitely. It wasn't perfect but it was a system that favoured long-timers over newbies.