No but when I was a kid there was a store that the phone company owned and you could go there to have issues handled.
Now stores are sales only, and customer service is online or on phone outsourced overseas.
Covid has been another excuse to cut back customer service and support.
It is quite easier to ignore people when they write an email and then go sit in a corner for a response that will never come.
It's disingenuous to tell people to go through proper channels when those channels are built to ignore or disregard people entirely.
I certainly hope that you'd get thrown out. It's easier for everyone if you go through the appropriate channels.