Well, I wouldn't underestimate the 'small minority of enthusiasts' who essentially forced Apple to return all Apple Pencil functionality for the iPad Pro after features were removed during the 9.3 beta.I think you'll find that "all this backlash" is actually a rather small minority of enthusiasts. Most of the millions of people buying iPads don't know or or don't care that much about specs like RAM. iOS devices only started to move from 1GB in 2014 despite "backlash" from enthusiasts well before that. Apple decides on their own when when spec increases are necessary to allow for the user experience that they feel is ideal. As I said before, I would not hold out for the next device solely on the assumption that it will have more RAM. Others have made that mistake in the past. If specs are what matters most, there are already Android tablets with 8 cores and 4GB of RAM... And most of them don't perform notably better than the Air 2.
Still doesn't change the fact that the Air 2 is a better buy for the huge majority of people!