Voadam
Legend
People were unhappy with various aspects of 2e Greyhawk, the Greyhawk Wars, the FtA dark fantasy tone, the kids modules, the WotC late era resetting to not dark fantasy. People can be happy or unhappy with changes and developments in continuity.4e Forgotten Realms seems to me to be a pretty good example that "maintaining continuity" is not enough to make dedicated lore-heads happy. Personally, I liked a lot of what the 4e Realms did, but based on community response, I think most people would be happier if it had been a full reboot.
In 3e FR there was some small timeline advancement and developments and changes in the setting (Netheril shadow mage return, Thay going economic, evil being not cartoonishly destined to fail) but was a close match to a lot of 2e and was in continuity and I think fairly well received. 4e advanced the timeline a century to kill off most existing NPCs, rearranged the planet and kingdoms, and killed off a lot of gods. It was still technically in continuity. This was a huge change and less well received. A lot of old setting lore was relegated to history and not for direct use in running FR games any more. It was a pretty hard reboot in continuity.
I am not convinced the lesson learned here is that most people would have preferred a wholescale reboot to a different continuity. If 4e FR had been a reimagining to the general 4e timeline status quo (different lands, fewer gods) without the 1e-3e lore history at all, some might have been happier, but I think a lot of FR setting and novel fans would have still been upset.