Yes it is a pain that some use one and other the other. I’m moving to the point of only using the wired port on my Home Hub and the rest is Ubiquiti kit. Bought the AP and it is great, just need the USG now. I’m also moving to using Pi-Hole for all my DNS (via cloudflared DoH). Not sure yet if DHCP will be done by the USG or the Pi-Hole ATM. Ideally I’ll have 2 networks, one direct (no ad blocking) and the other via the Pi-Hole.
I just cannot be bothered with SSL internally though.