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.

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.