Miami is booming but I do fear the Californian migrants there will just turn it into another San Francisco in due time.
That isn't the same as being a new hub for a lot of business creation and frankly haven't seen a lot of evidence established companies are eager to make it into a new hub or that there's a bunch of growing startups there with real traction.
[1] https://www.washingtonpost.com/technology/2023/04/12/silicon...