A better way of describing it would be “Remember FMA? Remember how everyone who wasn’t killed was shit upon? Well picture that series, but with everyone getting a good end or at least set up for a good end, and without the stupid nazi bullshit movie that did nothing but kill off a few extra characters and take an even bigger dump on the rest.”
Seriously, the only characters from the original series that ended up better off at the end of the original series were Maria Ross and Jean Havoc. Everybody else either ended up dead, maimed, demoted, forgotten, an amnesiac, or trapped in another dimension.