They also mention that the Dragon Migration is a rare event and if they miss it now they'll likely never get to see it. So one could assume it's typically rare for a pony to meet a dragon.

You know that’s not very nice, Tyler.
Just because some newcomer hasn’t spent as much time learning Internet etiquette as you, doesn’t justify being an asshole.
Seriously, I have nothing personal against you, but I just hate it when people act all superior towards others, especially when those people are new.
It’s a pretty low thing to do, at least in my opinion.