I'm not sure you've got any evidence stock for "as a lot of people dislike 5e" being valid to any appreciable degree. The majority of threads and feedback on this forum over the past year have been in the direction of wanting a more faithful rendition or less of larian's 5e-divergant homebrew.
To be honest, your idea for a project sounds like an ambitious amount of work in order to make the game more flat and boring; good luck with it, but I doubt you'll find traction.
