Your feedback made it clear that your concerns were mostly about the way the change was handled, and not so much about any specific version of the CC BY-SA license. We’re looking at ways that we, as the custodians of your contributions, can make decisions about the license quickly, in a transparent and informative way, to protect your content as the world’s legal landscape changes.
It seems you understand my point of view. I'm on the "life is too short" side of the fence on this issue. I don't want to spend time thinking about it; I've got other things to do.
Can I tick a box that says "I'm okay with 4.0 compatible licenses"compatible licenses" and never think about this again for the rest of my life?