This is a good first step. The next would be to lower the ridiculous amount of electronics in them and remove wifi and telemetry functionality. A dish washer should never have to connect to a server to do its job.

It works remarkably well for a lot of things if you put a little effort into it. Depending on the distro, you might have a little more trouble trying to fix something. For my use case it can do gaming, CAD, office work, and some light programming just fine with some quirks and tradeoffs. Lemmy in general is a good place to ask troubleshooting questions too