that’s because the format of 2 tank and 4 dps is vastly different than anything with a healer.
the game is straight up incoherent mess. occupying a dps spot basically means the game once again better resembles actual arenas.
you’re over exaggerating the problem of tanks with them now having significantly longer queues. the change will likely be in effect on the 15th.
personally, i want tanks banned from ALL avenues of PVP, RBGs included, but this is a fair compromise for solo queue.