For anyone still debating the events of EG and why some of them are incredibly problematic as a story (at least in my opinion anyway). This piece on AICN is really spot on.
I find this statment particularly spot on as to why I think Endgame is ultimately more bad than good.
No one should have to walk out of a three-hour concluding chapter trying to work out how and why things happened the way they did. Worse, no one should be trying to do it during scenes demanding emotional investment.
His original review here: