I have over 300 clients on WP and none of them want to use Guttenberg. They do not have time to learn a new system and trend over 50. These are not blog sites, they are full on business websites. Those types of clients do not care about these so called "features" and interface. Old school editor for ease of use is the key here. This new editor is an entirely new way to work and people do not have time for this BS. I cannot believe WP is going to force this on millions of people. This is not going to go well. I have been teaching WP for 12 years. This is a mistake. My clients do not like divi theme for this very reason.