In both cases, I feel players may seem to complain because they've gotten so used to the current state of things. Make them try something new or uncommon and they might just start liking it. Personally, I just get sick of seeing the same maps everywhere—in training, TDMs, and events. I always complain about choice of events and maps in the lobby, but nobody seems to notice or care.
That's great to hear! I'm certainly not denying that these events do get hosted, nor do I want you to host anything at my convenience. As long as you're hosting a variety of events, it's all good. I find it very rare to see other ET members doing it. In fact, I have played Circle of mines and Simon says with you as the host. I just hope that the others host these uncommon events more often.
I have played Musical chairs and Fashion only once. Although, Fashion is obviously biased and it'd be best to avoid it. But yes, it didn't strike me until you mentioned that even the new ET members probably suggested new event ideas. I don't think it's unfair to ask them to implement their own ideas, at the very least.
Yeah, TDM events should be hosted as well. Recently, there was a CTF event, so something similar could be done.