Best way to make suggestions for map changes is here: https://perpheads.com/forums/ideas-suggestions.368/
It may take time for a response but at least then your ideas are being put forward in a place where they get reviewed.
Ryzen 7 5800x here and no, I dont get 60+ fps during peak hours.
I dont remember exactly what I get but it is manageable with shadows off and 3dsky off