I only have one word for the season finale of Loki and that is bereft. I generally prefer letting a story play out fully before making any judgements. One story cannot tell all stories after all.
Looking over the whole series, I do think the story was rushed. Usually, I like a shorter season. It lets the writers, actors, directors, and producers get into the story, get out, and execute it well. At least, more often than not. Here though I think they were more interested in getting to the “cool” stuff – Lady Loki, Classic Loki, Kid Loki, Alligator Loki, ‘He Who Remains’ – and setting up th