Well it isn't as though they just broke ground, it's been in motion for a while now. The building plans were likely drawn up some time ago as well. This has been in the works for years now, likely before they purchased the land.
Exactly, it has been in the works for quite a while. If they were just breaking ground or making plans now they'd have no chance to open anytime in 2023. And if they had the base infrastructure down already 3.5 to 4 years would likely be plenty of time. They're just at the sage of a project that it's hard to tell how long things are actually going to take. Few timelines survive first contact withYou can’t start even early site work without surveying the land. Not sure what qualifies as “first draft building plans” but concept design and even schematic design would be done by now. They’re past first drafts.
Disney’s days of massive celebrations seems to be a bit behind them.
The plans most definitely were not drawn up some time ago, and are likely still being developed.
Land surveys get you through the all the clearing and grading. There can still be a lot of surveying after that for construction and feasibility. Normally it's not a that big deal because the land survey is typically enough to spot anything that would be a concern but things come up when they're least wanted.