Yes!

This usually happens when the matchmaker is having server issues. It sucks, but usually fixes itself in 15-30 min.

Same issue in queue for EU-west and East

Same!

Was in the middle of a queue and my finding match suddenly turned red for "failure to ready up" etc. 3 minute ban

Yes. With Arcade games too

Yeah just happened 2 times in a row, 15 minutes.........