As someone with both a usb-c and micro-usb phone, I can assure you that other connectors are not free of that problem. The micro-usb one definitely feels worse. Not sure about the old proprietary crap that used to be forced down our throats so we buy Apple AND Nokia chargers, and a new one for each model, too.
I don't know, it might be the case that my switch to USB-C phones somehow coincided with an increase in pocket lint but I've had two USB-C phones where the charging ports literally stopped working due to lint, and no micro USB ones have done that.
I don't know if this is a fair comparison, just an anecdote.
