Why bother when your own 4G connection could be significantly faster than sharing a 100/100Mbit with 80 other people? I never use guest networks for that exact

Why bother when your own 4G connection could be significantly faster than sharing a 100/100Mbit with 80 other people? I never use guest networks for that exact reason. I know that my traffic and my connection is my own, and works. Way easier imo.