Sometimes I feel like the "It gets better" thing is fed to the LGBT community to try to keep us quiet, to keep us from reacting, to keep us from taking actions to change things.
On one hand I wished your posted ended with you beating them all to a bloody pulp, but on the other I'm proud of you for having the self-restraint that they lacked, to leave them be.
People don't realise but what they were doing can actually be classed as a hate crime.