So, the GoDaddy control panel + GoDaddy WordPress PRO control panel + ManageWP control panel + Sucuri control panel + WP Admin ... definitely sounds like Godaddy's approach to optimization.

It doesn't matter how "isolated" or "dedicated" network resources are when they share thousands of sites per instance:

https://www.littlebizzy.com/blog/godaddy-managed-wordpress

Only real way = 1 website per VPS