EU has exactly the same problem. It's hard to move into unless you want to ride an inflatable boat.
Not really ? There are clear routes to a visa (France, etc) for degree educated tech workers.
Well, there are but only if you wish to work for a salary somewhere. If you want to be self-employed or do your own thing, it is not possible in some countries and will pull at least a couple thousands euros per month in mandatory minimal taxes in others. Sometimes 3-4 thousands.