No, of course not, just like nobody else does either way.
Remember the teleporters in DF? Those beacons that we had to hunt down that are, honestly, utterly worthless as an actual, functional, alternative transport system? You think they didn’t do that consciously? 30m cooldown, they didn’t (i.e. CHOSE NOT TO) put one in Valdrakken.
Removal of portals from older capital cities, Hearthstone cooldowns, Mages can’t “port back”. Only class that has a two way teleport is DK, with the deathgate.
It’s called “World of Warcraft”. The World has always been very important. Portals remove the World part. Same reason they don’t want folks just running the same dungeon over and over and over again. They struggle to keep the world relevant to keep the players in it, and not in instanced content.
They want a vibrant world.
It’s one reason we have Sharding. “Oh no, I can’t farm zone XYZ alone for Material alone, they keep shoving people together!” Yes, of course they do. That’s what make the WORLD a vibrant place, and not just using the capital city (singular!) as a chat room.
It’s as key aspect of why we have the dungeon finder, so that you CAN go “out in the world” instead of being trapped in a city spamming for groups.
They spend a lot of time, money, and energy making the world. It’s not just there to rush through for 10 levels and be done with it. They did a really good job in DF with the zone events (the soup, the centaur hunts, etc.) Notice, there’s no portal to those locations either (though there was a one way teleport to the Centaur camp).
Get folks out in the world. Get folks out flying their dragons!
Ever look up in the sky in Valdrakken? Its filled with dragons! NPCs flying around, swooping and diving, like Bats outside of Barstow. They love that to be players. Players vanish out of line of sight so fast, unfortunately (no doubt a tech issue of somekind). But it’s a thrill to be with a group of players, all mounting up, all flying away in every which direction, converging on some point, sky filled with people.
That’s what they want, a vibrant living world of folks doing Stuff. Any stuff. Fighting, gathering, questing. Just out. In the WORLD of Warcraft.
Portals don’t facilitate that. But they know that 15m taxi rides aren’t the solution either. So, its gotta give somewhere.