Game gives me faction I did not select

Like the title says. Happens randomly now and then.

yeah its sad use most new version of client and refaf , select faction

I've seen this too. I first encountered it after picking ALL the factions, and only getting 1 or 2 of them.
I've since de-selected and re-selected all the factions in each matchmaking queue (1v1, 2v2, 3v3 etc), and it seemed to fix the issue, but it certainly seemed to require said fix.
Of course, it's just 1 data-point, and could totally be random chance, in my case.

This is a known bug that can happen if there is a blip in the connection to the lobby server and the client needs to reconnect. Right now the client doesn't resend the factions when reconnecting.