I'm starting to think the reason why tech companies are so well-valued is purely due to regulatory evasion skills and a dash of political engineering. Effectively, every tech company has been given a pass on something . Facebook doesn't have to worry about defamation lawsuits. Google doesn't have to worry (as much) about copyright. Amazon built it's business on evading sales tax. Uber broke the back of your local cit…
There had to have been some deals on backend to keep things the way they were - insane shortages of vehicles on weekends and no service to minority areas - with Uber you can get dropped and picked up most places I've found even dicey ones.