I got my stone by helping with every pop, keeping people buffed, keeping timers.
Then you have guys like this:
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So you have people who are too low to camp it, AFKing and answering /list afk checks, but not grouping together to actually kill it themselves.
...and you have people joining list, refusing to help, who if they WERE helping, then everyone in the camp could participate.
The people who end up holding it hostage are likely getting bitter from people not helping, and then they refuse to help as well.
It's a positive feedback loop where the toxicity just increases over and over again until no-one is killing anything and no-one is cooperating and nothing is dropping.