Then don't buy those devices. If you have any excuse as to why you "can't do that", then there's zero point in complaining. I'm not saying your complaints are invalid, and companies should be held accountable and criticised. But as long as people buy privacy violating products, companies will continue to violate privacy.

valetudo.cloud/

Thankfully there are groups to replace boards or flash some devices. I need to keep better bookmarks to plug them.

There's a version of every device that doesn't phone home. I switched to HomeAssistant a couple years ago now, and I think all of my stuff is finally local as of a few months ago, including my robot vacuum.