</font><font color="blue" class="small">( If you can consistently track a cockpit pit window on a moving aircraft, then you need to start training for the Olympics and please let the USAF know how to do it, since they appear to be having problems in this area.)</font>
Your statement breaks down on the word "consistently." To be a valid military weapons system, it needs to be consistent. To be a harassing and potentially fatal activity, it doesn't.
The militaries of the world have several lazer dazzler systems, most of which are tracked with simple optical sights. We have taken military casualties from their use, and have used them successfully as far back as the Falklands War, where I believe the Brits caused several crashes. I believe that laser-protective goggles are in wide use. They're certainly available for issue. I suspect the piloting community is buying them up, now. I would be.
It's a lot easier issue to injure an eyeball in a low flying, slow moving aircraft, than to burn a hole in a satelite. It's easier, if the beam is a little unsteady, or has a wiggler. That way, it paints a fairly broad area compared to the pinpoint beam.
An industrial cutting laser certainly has enough power to cause this kind of injury at great distances. Because of the aiming issue, I suspect a homemade system, and probably a military system as well, would have only a limited effective range.