Just watched the last episode, it was indeed bonkers, answers many questions, and has proof why it is the most important series of mcu.
We come to know how Wanda could hear her children shouting in the post credit scene of wandavision , and adds weight to theory that Sharon was talking to Norman Osborn in post credit scene of tfatws.
Maybe the multiverse is why marvel is releasing what if...?, To show what happens in the multiverse now.
I couldn't stop getting excited and loved the introductions of how Kang(s) is set to come in the mcu.