I love this modification and appreciate the insane amount of effort you've put into it. One thing that bothers me a bit, there's way too many props at the Griffith Observatory. I grew up going there all the time and you never see people place down umbrellas or anything like that. There's no palm trees there either. The way Rockstar has it by default is actually very accurate, so I'd love for a way to disable the changes there.
Another suggestion is to severely reduce the amount of hotdog stands, as I have almost no recollection of seeing that many of them in the years I lived there.
This is stunning! I love Google Earth and never thought it'd be possible to bring maps over to GTA V. I sincerely hope you continue doing it. It feels almost like a completely different game while flying around.