As I've written many times before, the difference between Wikipedia and the Left's "Conservapedia"-- the hilariously named "Rational Wiki"-- has been rapidly diminishing for ages. As such, I really like Larry Sanger and the work he's been doing in calling Wikipedia out. But his solutions seem doomed to failure.
Back when the "selection" occurred, I pointed out that if you have a serial thief in your house, you can go around installing locks on every door within the home-- but the thief is going to circumvent every measure, because... they're a thief! The only solution is to eject them from the household.
Same goes for elections: you can't reform them if half the country is hell-bent determined to cheat in any and every way possible. And same thing with Wikipedia: introduce some kind of search system, and the Left will simply co-opt it-- just look at what a laughingstock Google has been for a long time; ditto for a rating system.
The only solution is to forcibly jettison these people from not just being able to edit Wikipedia articles, but from the country itself! And even that has risks, because they would probably just assemble an army in their new country, then come back to attack you from outside.
To play devil's advocate however, I do notice that Cultural Marxism is wobbling around on its last legs, getting banned in increasing numbers of school districts, plus getting exposed in corporations-- so perhaps the light of truth will cause reform? I'd like to think I played my small part with this blog in exposing the Frankfurt School nonsense, as I was writing about it years before the idea was exposed on the current wider spectrum.