That page produces nothing but errors in my browser, but here is another article that describes similar findings: Free Apps on Samsung and LG Smart TVs Secretly Turning Your Devices Into AI Proxies

The monthly bandwidth default for Wi-Fi relaying is capped at 200 GB per device, according to config values retrieved from Bright Data’s own unauthenticated public endpoint

So, it’s not a small impact. Good luck to you, if you’re not fiber connected with an unlimited plan, or if you have more than one of these things.