Assuming that Larian at some point either indeed makes a statement that they don't want to implement the proper 5E rules because it doesn't fit their vision for the game or whatever, or assuming that they'll never react to this question in the first place - or that they do implement a "true 5E mode" that however will end up something half-baked:

Do we have maybe people present here that have experience in modding DOS2 and would be interested in managing such a "true 5E" mod for BG3 in the long term? It's maybe never too early to organize + pool resources.
Don't know anything about modding myself (yet), but I'm sure I could handle a backlog, help discuss implementation issues between PHB and video game, verify issues, help testing etc. smile