FYI there are digital sensors which aren't using bayer filters. Some are classic sensors missing the bayer filter (leica monochrome for example) other are based on different tech like Foveon sensors [0]
Many people also debayer their cameras themselves, especially in astro photography [1]
[0] https://en.wikipedia.org/wiki/Foveon_X3_sensor
[1] https://stargazerslounge.com/topic/166334-debayering-a-dslrs...