Growing pains implies they’ll come back. And it’s not just Dreg Ragers, it’s literally every other enemy getting buffed as well. That’s not really rebalancing amongst themselves, that’s just making everything nastier. And when you do that, you’re just taking stuff (in this case, a feeling of accomplishment by forcing players lower down the chain) away from players.
I’m pretty sure that everyone’s upset at the idea of taking earned ITEMS away, so why are people giving no damns about the lesser players?
It’s not growing pains, it’s dispirited players getting the rug pulled out. It was a bad change to make things easier uniformly, and it’s a bad change to make things harder uniformly too.