I have several college friends who made serious money during COVID "fixing people's Zoom dropouts" by installing MoCA adapters. They installed them for hundreds of people during the last two years, and some of those installs had issues. They ended up getting testing gear to look into the issues and be able to give people a definitive answer for why. Every single time, it came down to something wrong with the wiring. Maybe you're special, but if it walks like a duck and quacks like a duck...