Why doesn't Unity Answers work in Firefox?

Whenever I try to ask a question from from Firefox, I am taken to this page:

Also, whenever I try to submit a comment nothing happens. Everything works fine in Chrome.

I use UA in Firefox every day. At a guess, it looks like you’re either blocking or have a corrupt cookie?

It looks like a bug of login. I had the same. You have to refresh and wait a little. After like 10, 15 seconds, I could post anew.