[Telemakhos]

> I find it very, very distracting.

The human brain has cognitive subsystems devoted to detecting motion that seems non-random, that is, that seems to move with deliberate purpose contrary to other motions like leaves or ripples. It's important for predation on both sides—for the predator or the prey.

That's also exactly why advertisers love it and will continue using it. They will buy any politicians who look likely to ban moving images or lights.