Back when I was farming trees nonstop to get my luminary achievement, I had a few people notice I was there for *hours* and emote me. As long as I did an emote back, they'd leave me alone. I never did get any accusatory tells, though my gear was nice and melded so they probably assumed I was a legitimate player. Today, I was farming on a battle class while spiritbinding with low level gear at the same time. A few people came up to me and watched me... I was sure I was going to get some tells about how I must be a bot, but they were satisfied with whatever I was doing and moved on (having the primal bow probably convinced them). I don't use macros for atma farming but I completely understand why people do. That stuff really just melts your brain.