Putting words in your mouth differs from helping you to understand the implications of things you say yourself.
Yes, the Gnome release policy _effectively_ forces its users to move on to newer versions. You simply cannot argue with that. You even just said it again -- "We give support for stable version for 2 releases after the first one."
Before, while the desktop paradigm was remaining familiar, it was not terribly important.
Today, we're left at the doors of a significant change, without any contingency plan (yes, collectively, many of us expected the fallback mode to be such a contingency plan).
It's really simple. Just try to use a little empathy.