Nothing will bring anger more quickly than pressing the happy "Upgrade" button and then watching your website disappear like turning off an old television.
I am still not in love with the idea, and I am not exactly thrilled with this editor that the cool kids are so excited about. But apparently I am now stuck with it, at least I fought it as long as I could.
The update choked on me several times, it took a lot of battle at the command line, and once I had fear that I had lost or wiped the entire blog and checked the database to make certain that it was all still there.
This picture. It's what I think of Wordpress 5.0.