@hmmcrunchy I’m bummed to hear you’ve had such a rough experience. I can see why this would be so frustrating. Please keep in mind that you do not need to use the Gutenberg plugin in order to take advantage of the block editor and the features that come with it. Here’s a brief post that might help clarify when it makes since to use Gutenberg vs when to just rely on what’s bundled into the WordPress releases:
Become an Early Adopter With the Gutenberg Plugin
Separately, here’s the support article for the new block widgets editor:
Block-based Widgets Editor
While you can opt out of the experience, I would love to know what further problems you’re having. If you’re open to it, you can create an issue here: https://github.com/WordPress/gutenberg/issues