Sure you weren't just chuffed that you didn't get a push or a tow?no i complained about being followed by annoying noises in the woods. the heavy breathing i'm cool with.
Mixed rides (some on e-bikes, some not) are a new animal, with new etiquette to figure out, etc. As I recover from a foot injury I've been "that guy" for about a month - the dude who brings an e-bike to "regular" rides. Some people want you to just blast off and then wait at the top, others are happy to roll along and chat, even though they're working harder and your bike is making those noises. Riding behind a regular rider is usually a sign of being deferential, respecting your effort, etc., but it's not always taken that way. Like a lot of things, communication helps.