[tonyedgecombe]

A good experiment would be ...

That would be an anecdote just as Ahmed's findings were anecdotal. It you want to check for bias you need data.

[ethanwillis]

Data that Facebook is fighting hard to make sure people can't collect. Just like how they were poisoning the well while suing academic teams just trying to get information on ads data.

[throwaway1777]

Cambridge analytica killed any kind of large scale data access to FB.

[ttt0]

Well, Facebook won't ever release their data, so I guess there cannot be any wrongdoing whatsoever.