Not only could we not build it today, we can barely modify it today: https://www.sfchronicle.com/bayarea/heatherknight/article/Co...

> But despite not a single resident registering a complaint about the antenna work — a modern-day miracle! — getting the permit from the city's Planning Department took two years. Approval came just as special crews arrived to do the work.

> “It was held up for no good reason,” Hyams said, echoing a common gripe about our city's slow Planning Department, which mirrors the slowness of just about every department.