It's not the crowding at SEA. It's the crowd. Way more fucking idiots there than anywhere else in the country. Not even close. No amount of COVID/Build Back Better money could fix stupid. Almost went Office Space PC destruction scene on the fucktards wandering aimlessly staring at their phones.There are airports worse than Sea-Tac. The crowding is an issue but there isn't really a way around that given the size of the property. Tearing down the parking garages and doing a LaGuardia style rebuild would be about the only way and I can't even imagine the cost plus decade of disruption for such a project.
Most of DFW, United's concourse C/D at Dulles, the mess of Newark, O'Hare, Philly, Atlanta is just filled with people too, there are a lot of airport experiences which are on par or worse than Sea-Tac
The Throbber has spent copious amounts of time in all airport listed and a boatload of podunk places too.
Just back from BNA in the last month. Just another reason Starbucks is leaving. That airport is superior.