> 1. more innovation
How do we quantify it? And how do we know that it is not the result of metric-hacking, as the GP commented, and is actually true "innovation"?
> 2. high economic growth
Same as above.
> 3. better salaries
Only for a small slice of the population. Income inequality is growing across the country, and it is not an obviously good thing if a small fraction of the country is getting boundlessly richer while the rest of the country/world suffers.