I logged in for the first time to see what it was.. same deal here, have stopped adopting new Google products since 2013 (the Reader debacle naturally)
I'm sorry you maintain such a low opinion of yourself, but just like my lifespan, my attention is finite and I consider it priceless. If I'm forced to burn energy on something it better be for my long-term benefit, because let's face it, either of us could be dead tomorrow, and let's not waste our last breath cursing the fact we spent our final day alive on a new e-mail client, or in servitude to some other bullshit tool.
Google have broken that trust on countless occasions, and as a consequence for half a decade they have been deprived of the opportunity to waste any more of my time. You should consider doing the same