It’s not the sickly ending, where Leia and Luke Skywalker find out they are siblings. It’s not the unlikely rehabilitation of Darth Vader, or even the way that George Lucas keeps digitally embellishing it with every rerelease. No, it’s those bloody dancing teddy bears. We fought an intergalactic war for this?
As a bonus, they have a link to their original 1983 review of ROTJ.