UNREAL CANT BE OPTIMIZED THEY SAID, WHAT IS THIS THEN? - 3700km2

I tried to optimize my Massive Open world for my game, on High Settings - i got 5060 8gb vram. what was used to optimizing the map, was nanite,hlods,world partition and Virtual textures Trees and etc is not right know available, but if be, then ill be again uploading new video with new content. thanks for watching song: Ship Wrek & Zookeepers - Ark | Future Bass | NCS - Copyright Free Music PC SPECS: I7-10700 RTX 5060 8GB VRAM 32GB RAM SSD NVME 1TB,525GB