Almost a decade ago there was a discussion how to draw into display buffers for Wayland. Everybody agreed on using Mesa GBM, nvidia wasn’t really interested, but said they’d do EGLstreams.
As nvidia wasn’t interested, and generally is a dick to everybody anyway Wayland development just progressed ignoring nvidia, and now they have to catch up to where all the other graphics driver were at already years ago. While ignoring most of the things those others learned, because they want to keep their own tiny proprietary island.
Just avoid supporting nvidias dickish behaviour by not giving them money, and eventually they might learn and change.