Did Sylvie make the right choice?
We're supposed to believe she effed up by taking her revenge and unleashing chaos for Loki and the rest of the Avengers/Guardians to have to clean up the mess, but isn't killing off a tyrant and letting people live their lives in freedom worth whatever consequences a messier and less controlled reality create?
Sylvie did the selfless thing, passing on her chance to rule the Timeline and giving up her new love with Loki to set people free. She may have even sent Loki to a timeline where he can make things better.
She is the true hero of the series and of the multiverse.