I reached out to WP Engine, and their support team offered me a generic, “Why not copy the site to staging, deactivate the plugin, and see what happens?”
I suppose that’s one solution, but I was hoping to find a recommended ‘best practice’ for a WordPress site with the Cloudflare Plugin installed. Once we activate the ‘advanced network’ from WP Engine is the Cloudflare plugin even necessary? Is it ignored? What is the best practice recommendation?