I found myself unable to travel to Aether for 40 minutes straight today. Though it's really 4.5, I'll be generous and say it takes about 6 seconds to check the travel menu and close it. That's 10 attempts per minute, 400 attempts total. Not once did any Aether world light up. I tried, partly out of stubbornness, partly out of curiosity, until my wrist hurt and I had to give up. A friend told me there were plenty of <Traveler> players sitting around Limsa.
Square Enix needs to re-enable AFK kicks or stop pretending their game is anywhere close to full. This is absurd.