People complaining about other people being disappointed are often much ruder and worse for the forum than people pointing out when numbers are kind of disappointing. Pretty unfortunate.
3 of the 2021 releases had pretty low BO, though covid of course is a complicating element. And we see from other franchises that megagrossing movies with bad reception is not a pathway to long-term success, which is the real goal for mcu more than anyone else.
That said, they are having another humongous overreaction — as far as the GA was concerned the 5 phase 5 movies are 2 great, 2 okay, and 1 bad.