Laser will remain point defense unless mounted on an aerial platform. Cooling is a much bigger issue than power but may be less so when laser efficiency is increased.
I wonder how much longer until directed energy weapons become viable anti-missile platforms on the level of Patriot or Russian/Chinese missile based systems? Seems like the power output and size are getting close. No clue how many shots such a system can make before it has to recharge, but if you get like 20 shots in short order that would be very impressive. I imagine both power and cooling are still difficult.