Here's the dev lore post on Aetheryte travel.
A very salient point it makes is that adventurers typically have sufficient spiritual energy to traverse the Lifestream. Mundane travel isn't eliminated because the vast majority of people don't have sufficient anima to teleport ("As a result, only a fraction of the populace can utilize aetherial travel habitually, which is why chocobos, airships, and other forms of transportation still play a major role in Eorzea"). Adventurers are a tiny subset of the overall population of Eorzea, so really, teleportation is already heavily limited in lore.
A very salient point it makes is that adventurers typically have sufficient spiritual energy to traverse the Lifestream. Mundane travel isn't eliminated because the vast majority of people don't have sufficient anima to teleport ("As a result, only a fraction of the populace can utilize aetherial travel habitually, which is why chocobos, airships, and other forms of transportation still play a major role in Eorzea"). Adventurers are a tiny subset of the overall population of Eorzea, so really, teleportation is already heavily limited in lore.
The Freelance Wizard
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((about me | about L'yhta Mahre | L'yhta's desk | about Mysterium, the Ivory Tower: a heavy RP society of mages))
Quality RP at low, low prices!
((about me | about L'yhta Mahre | L'yhta's desk | about Mysterium, the Ivory Tower: a heavy RP society of mages))