What uncessary freatures have you uncovered, I am courious to know.
I use WinSpyBlocker, it blocks a large quantity of destination ip addresses outgoing, related to telemetry. and misc traffiic, and windows update traffic. Because outgoing traffic sets the state in firewall and allows returning traffic, it could be spoofed attack traffic that uses the state to pass thru the firewall. I could not say if this is used in real attacks, but I believe blocking them is useful to security just like the author.