A city tax makes far more sense than saying, "Anyone who works for a company in industry XYZ pays more taxes because we hate your entire business category". I have no comment or opinion about your "social safety net" idea. What kind of signal does this send to tech companies? Also, see the failed Massachusetts tech tax that caused lots of controversy before being repealed [0]
>A city tax makes far more sense than saying, "Anyone who works for a company in industry XYZ pays more taxes because we hate your entire business category"
Not if you're trying to take advantage of resentment by a certain portion of the population towards industry XYZ.
[0] http://readwrite.com/2013/09/27/massachusetts-tech-tax-repea...