People, there are, without naming them, civilised countries in this world who's law enforcement officers shoot people when they see a red or green dot on their person.
Laser light because it is used for targeting many weapons including some that will bring down an aircraft, if pointed at an aircraft and seen by the pilot/s, pilot/s who also fly in countries other than Australia, may well be sorely concerned about their safety at that time.
If you go into a bank with a toy gun and show that gun to the staff and hold up the bank that is an armed hold up.
If you point a laser light at an aircraft knowing that it is wrong to do so then you have committed the act with malice as you intended to, without question, notwithstanding the level of the result you wished to achieve, whether it just be to annoy the pilot/s or at the other end of the scale bring the plane down.
Basically, the point is it's wrong so don't do it and if you do then you deserve what you get which in some cases and some countries is a body bag.
Rick-p