So you’re implying either a dive Pharmercy or a Genji with a Winston or D.va 2v1’ing a Pocketed Soldier will be enough? The Mercy would be gone in a second giving the advantage to the offensive team. One might die, but then? Assuming we have Genji/Pharah, Hammond,D.va/Winston,Lucio/Moira/Zen,Mercy left we easily take care of the healers.
Though Hog would be used as a finisher not a nuisance. Tbh, I mentioned before to add a Reaper or a Junkrat when I wrote my mixed meta reply. That would easily disrupt Orisa, Hog. Then Zen dead, 6v3. Soldier kills one of the offensive supports but Winston and D.va kill the Mercy. 5v2 Moira dies to Hammond, and Soldier is forced to back out.
The “Mixed” meta I proposed can use so many DPS combo’s. Reaper to flank, Junkrat to deal with Hog and Orisa and even the Brigitte. If Pharah get’s to live I suppose, kills Brigitte fairly easily, Traditional Dive always works, Hitscan to out Hitscan the other. Literally, this comp enables so many DPS signals to almost every offense hero.