It was from multiple interviews Jeff Kaplan did. He even posted about it on here.
Jeff spoke about it here, except they were testing 1-3-2 in order to speed up queues for DPS players, and the lack of tank players was the limiting factor. It is quite interesting that he highlights a lot of the issues OW2 has stumbled into, in a post 4 years ago.
And to quote him from an interview about role queue “I feel like the feature was needed. Overall it was positive,” “Where I think we can do better is at the highest levels of play”
Which, sadly, is stilll the case today.
Another quote from Kappers “People aren’t arguing about whether or not to have Tanks this match” (because people just wanted to play DPS, as OW classic showed, tanking in early OW was awful).
But at least you agreed. Most people wanted to play DPS. Tank was and always has been a very unattractive role. They have tried bless 'em. But people just wont be interested in the same way as they would with a DPS hero.
Tbf, I don’t think it was an idea they wanted to do, they said many times prior to its introduction they didn’t want to do it. So it was clearly a bit of a last resort move.
Anyways. You are on ignore now, so you will need to use another account if you want to continue.