Strange never really needed Chavez’s help, but was instead doing whatever it took to keep her away from Wanda due to her being the strongest ****** in the MCU, but even then he attempted to fight before realizing that wasn’t going to work (tho he does use a different Strange’s corpse to use dark magic against her…also failed to work…)
Chavez wasn’t of real use until the very end of the fights due to her not having control of her powers until Strange gave her all of his faith that she can control it despite her fears of failing after never being able to control them…also after having to build a trust born with MCU’s 616 Strange because Zombie/Defender Strange was going to take her life/powers to save the day
Wanda isn’t really forgiven, moreso her realizing she really did **** up. Up until the end, she was possessed by the Darkhold, which corrupts the user with some sort of way depending on the person. In Wanda’s case, it made her Scarlet Witch powers fully under her control, but at the cost of her sanity. It takes seeing 838’s Wanda and kids for her to realize she was a villain desperate for a family. Btw, Billy and Tommy are real kids. The boys are real in every universe but the main one, which was why Wanda wanted to kill the other Wanda and take her children for herself. She’s the only Wanda in the MCU who never produced real children.
and before you bring up the “find a universe with a dead Wanda”, she looked through the entire multiverse, and the only ones with her kids involved a living Wanda…hence her possessing other Wanda and committing more genocide with her own body.
Strange only got his ass kicked by Wanda (as did all the heroes), while every other fight he has were mostly even, even his internal fight with himself, where he learned that he doesn’t have to sacrifice others to win fights nor does he have to allow himself to stay broken, and actually allow himself to move on in life for a more positive life…aka the opposite of what Wanda did)
you also left out how America was a literal child when she got scared of the bee that landed on her hand and caused her to accidentally unleash her powers and send her mothers away. Not everybody like bees or other bugs regardless of their age.
and of course…there were 3 major universes the movie takes place in, but there’s also the universe where all the powerful magic source was meant to be hidden, and then failed to stay because evil Wanda mode activate. The madness is that combined with all the incursions talks, every world Wanda stalked, the other countless worlds America and Strange went through (especially the paint world), and the tease of Stephen returning to the Dark Dimension with his future Bae and boo Clea.