If some people see that other people's reactions are childish, then yelling those people "babies" don't make you adults - you're just like a group of babies yelling at another group of babies. So you may choose to "shut up and take it" like someone said (it works both way FYI), or actually take it in a more mature way - which is not yelling back and name people "babies".
Facing a rain of complains like this, even if some/many of them a kind of "childish" as you said, I would expect some authority to step out and show that they are listening or explain themselves, calm the situation and keep the trust of their players. But no - what I see is an authority who just leave the babies argueing to each other. "Moderators" just try to steer the problem away or turn the blames to the players .. This is really dissapointed.
You can get back to the game and quietly enjoy the changes, and leave the discussion to those who are more capable to handle (if there is one ..).