I once brought home an assortment of good exercise equipment I picked up for free in a wealthy neighborhood I was making a delivery in. The lady said " take it all away, it doesn't get used." Suddenly we had an 'exercise' room with a stair-stepper, a good stationary bike, and some other thing that never got used. She never touched the stuff.
Well, that was kind of the point people were making in objecting to the Peleton commercial. The actress/model in the spot is clearly quite slender, so a boyfriend/husband getting her an exercise bike is (without some specific context) implicitly insulting.
Most people buy exercise equipment with the goal of losing weight. If your wife already looks like a fashion model, what sort of message are you sending by purchasing her an exercise bike?
With a few simple contextual tweaks, e.g the wife wants to take her fitness to the next level and compete in a triathlon, they could have made the commercial sensible instead of insulting.
I never looked at it from that prespective. Maybe they are pushing if you get one, your wife will look like this? You make a great point. A sad message to send.