I'm not a traveler so I've never been to one, it really means little to me as a convention. But as a fan of Friendship is Magic it seems like a sign the fandom is willing to let it dwindle and that's a shame. I've seen numerous shows and comics fandoms dwindle to almost nothing since the 90s and it's extremely disappointing.
Of course we know that in certain situation Pinkie can snap, lose all her positive energy and just deflate becoming sad, angry and more than a little crazy, but do the other three have similar situations? And will they flip to a more high energy Pinkie like state? Or would it depend on which one? Perhaps Maud and Limestone flip with Marble becoming more Pinkie like? Somehow neither of the two