I had this on one of the DBR races - I was dropped from a group and this rider caught me up pushing exactly 3.4 w/kg. No deviation all the time he was chasing me (lump or descent) and when he caught me he didn't punch etc to get past me. I sat on his wheel for a while at about 2.8 w/kg and he was pulling me along ... not a jot of deviation. As this was a race, and I suspected it was a bot, I dropped my power to let him pull away so I didn't get an unfair advantage. I called it out on the race, but it didn't stop the guy further up the road I was chasing to then sit on the bot's wheel and stop me from catching himI cycled along with a guy the other day. I was going in and around 3w/kg. His power stuck to 3w/kg without deviation for as long as I was looking at it. It did make me wonder if he was a cyborg. Or maybe he just had an incredibly smooth and consistent pedal stroke.
Not seen the bot in any other DBR races so maybe someone else called him out.





Nothing much they could have done really in that situation until the descent was over.