Of the three massive franchises that ended in 2019 (MCU, Game of Thrones, Star Wars) it can't be denied that the MCU was most successful in sticking the landing. As those other IPs proved, it could have been SO much worse.
Ironically, it was also the story that I was LEAST invested in, so while I can intellectually understand the objections to Black Widow getting chucked off a cliff or Steve going back in time to hijack Peggy's life, none of it sticks in my craw the way Daenerys going genocidal over the sound of bells, or Kylo Ren's incoherent and undeserved "redemption" did. So... I can