Show off Your Pi-Hole blocks (Alt Title: How to block devices from reporting back to corporate overlords)

We got rid of our Harmony hubs and replaced with the IP2IR. It's a lot more work to set up (and more expensive), but no worries with Logitech! I use a version of this app and driver:

[RELEASE] Send IP2IR - Control all of your IR devices from your Dashboard

If the Broadlinks use telnet, you might be able to modify the code to work for them?