Where did I say I was complaining that they use proprietary components? My complaint is about the availability of said components, which is made much worse by how badly they wear.

There are no open standards and commodity components for new inventions to adopt because the damned tech is new.

https://en.wikipedia.org/wiki/Open_Source_Virtual_Reality

There’s been open source VR hardware/software since at least 2015. Development is slow, but still active.