We'll finally be able to stop tying health insurance to employment in the ridiculous way that we currently do.

Skilled professionals will more often be able to make their own hours and find more variety/novelty in their work by taking jobs for a variety of customers.

And there will be so many freelancers that a solid industry for helping them connect with consumers of their services so that the hardest part of freelancing (finding work) starts to become a non-issue.

Transitions are messy, of course.