In contrast, the Starlink satellites are zooming around the planet orbit once every 95 minutes[1] or so. At any given time, there are many Starlink satellites "visible" and the antenna tracks them using a technique called "phased array antenna tracking." This is the same way multi-target RADAR works on modern ships and planes.
Anyway, the cool think about Starlink (I just installed mine) is that you put it up where there is a lot of "sky" visible, and then the antenna moves itself to maximize the area of sky that it's antenna can "see". It is very cool and an amazing bit of engineering.
Which would be what intuitively makes sense to me, though I'm not an expert in phased arrays. If you have more gain straight up, then you must have less gain in other directions.
Afaik, Starlink phased arrays have very high gain (low beamwidth), so they must have proportionally lower gain in other directions, or else it wouldn't add up and you'd have overunity.