Nobody sane is using Quora as a legitimate source of information.

• Nobody uses anything but Wikipedia

• Nobody I like use anything but Wikipedia

Uh-huh

Would you also suggest Pinterest lead the charge in representing collective human knowledge?

If you're interested in art, fashion, or any number of other hobbies, absolutely.

But if you want to host other media on their systems, it works just as well. I suspect you just feel embarrassed to use other websites.