Precisely. There are many many people that don't wish to use Facebook, I know, for multiple reasons, so it's really a case of just what you are willing to accept in order to play the game.
I complain about PC players not having access to ads, because it is immediately an unfair advantage for mobile users and despite PF's protestations, I still do not believe that they cannot support ads for all players.
Items like this are of far less advantage and simply a one off.
But the thought occurred to me.
This is a pretty desperate attempt by PF to lure people into their subscription web.
ergo :- You win the prize. You use the Event pass. You think Hey ! this is good. I like the no cost ship and the extra warehousing. Think I'll get it again at the next event. Hooked ! !