I'm with the majority.

Reclining during boarding is inconsiderate.

Kicking the seat in front of you is rude.

Once the wheels leave the ground, it's OK to recline if you want to.

During mean service, seat back up, even if you don't plan to eat. It's just common courtesy. That does not apply to soda/nuts service, only real meal service.

If you are so tall that having the seat in front of you recline is a problem, make sure you get a seat that accommodates your unusual requirement or grin and bear it.