I've never worked in an industry where unionization was a thing, but my general understanding is that the unions are protectionist dreaming of things that were true before but not today, but they want to keep things as they were. Good luck.
I've benefited from Wikipedia, but I don't romanticize it. Either side of the table can't stop the AI onslaught, they are all out of jobs. Another Wikimedia will rise up from the ashes.