It's really unfortunate that so many people aren't interested in learning Ember. I just started an internal IT tool in Rails and Ember and I'm really enjoying the simplicity of it. I want something that is easy to understand, easy to setup, and won't change for a while. I became more interested in Ember when I read something online about how they are focusing on stability in the long term instead of a bunch of featur…
I suspect that we didn't get enough Ember responders, because I do think they have a reasonable sized community. 9k responses is likely not enough to draw a reasonable conclusion that it isn't popular. I wish we could have paired up npm downloads or some other stat besides some of this data...
I don't know how a sample of 9k maps to the developer community at large but I found it puzzling that so many people were dismissive of Ember. What makes Ember unappealing enough to not warrant being tried out in a side project? Personally, I saw it and thought "boy, a framework that wants to be stable for several years - sign me up."