You're lucky he didn't stick you on one of those awful hotel-affiliated coach buses to Narita, the drivers of which are forbidden from applying steady pressure to the accelerator.
Nothing wrong with taking the bus in certain cases. I used one last time from the Ginza area. It was either being compacted in peak hours Tokyo Metro, or walking to a nearby hotel and waiting for a bus in the lobby. The choice was clear and I don't regret it.
