They don’t actually hate Wikipedia. They hold that it’s not a primary source for things that require citation, and that it’s not a great textbook.
Reading the Wikipedia page for optics is a bad way to learn optics.
It’s also difficult to cite as a source because you can’t actually specify who you’re citing, which is why Wikipedia, for research purposes, is a great way to get a quality overview and the terms you need, and then jump to its sources for more context and primary sources as you need them.
Encyclopedias in general are overviews or summaries of what they reference. Teachers would typically like you to reference something that isn’t a summary or overview when writing one, sincenthat what most of those reports are.
Eeeeh, more debatable since someone would actually need to write the capability for the bot to talk to the platform. It’s still a much lower threshold, but it’s not a free ride.