I own a BambuLab A1M as I want a printer that just works. And while yes it is all proprietary they do sell replacement parts for most parts.

While I will not forgive them for their latest moves I am quite happy, I turn it on, load an stl into BambuStudio and let it run without any issues at all.

My next printer will however probably be a prusa as they are Europeans and I love that they keep everything up to the user so far. But I can not deal with anything that is more DIY than a Prusa, it is a tool for my hobby…not the hobby itself.