Yep, exactly this. I have that setting enabled myself due to e.g. Blogspot inappropriately blocking zoom in its default mobile template — but on the other hand

Yep, exactly this. I have that setting enabled myself due to e.g. Blogspot inappropriately blocking zoom in its default mobile template — but on the other hand it does unfortunately mean that e.g. on openstreetmap.org I occasionally end up zooming the page instead of zooming the map…