It's an interesting idea(and a good one), but proposing it and doing it are two different things. It would take someone with shaders knowledge and the drive/enthusiasm to do it. Plus, there's the maintenance/upkeep, afterwards. It would make for a nifty, 3DGS tech demo if executed properly.

I also think it would be nice for any and all 3DGS tech demos that come out from now on to use the same unified visual style(and something that looks modern). That way there's a consistency which makes a better impression on potential customers.