It does, somewhat, but the effect is pretty weak. And usually only related to the “new hero” hype that last for 3 weeks.
They’d be a lot better off convincing DPS players to go Tank, than they would be getting existing Tank players to queue more.
Imagine if Orisa, Reinhardt, and Sigma were all equally viable as SoloBarrierTanks.
That said,
Imagine if you could reliably go DoubleOffTank without having your team yell at you, and a strong likelyhood of losing the match.
Imagine not having a 50/50 chance of Rein Jail when playing Tank.
✅ [Brawler Role] DPS Queue Fix