I have no idea what Windows does with the various network services but my Pi-Hole gets rate-limited* when it connects to the network--there's just constant DNS lookups to countless MS domains, far beyond what could reasonably be expected for a barebones install.

This isn't even a corpo-sloptop with Qualys and Zscaler and crap running, Just a basic WIndows box I rarely boot. It's deeply offensive to me.