No, you can block ads with a pihole. This is because Roku hard codes its dns server as 8.8.8.8. Pihole doesn’t handle IP addresses, only DNS.
Mullvad. The just had a security audit and came out 💯.
Don’t know if they’re free but Mullvad VPN is great. Proton VPN is also good.
That’s interesting. What IP address is netflix hardcoding?