I ran a server for quite a while with full EE... things got a bit boring, no interesting builds happening. Rolled a new world at 3.1.3 (since downgraded back to 3.1.2) with EMC disabled - that is no Condensors, no Collectors and no Transmutation. So the PStone is still enabled, and so is just about everything else you can make in EE. It's a really fun balance. The first guy who made a legit flying ring really was the envy of everyone else.
At the change there were some people who said "well I'm leaving forever" so I simply bid them farewell. There were some of the community members that weren't really happy about it but they have since really started to enjoy the new feeling of accomplishment, even some of the previously EE-centric players are quite happy with the change now. And if people join now and complain that there is no EE, I simply tell them to find a different server to play on, or to stop complaining about it and play the game. And yeah, more complaining after that is often a ban.