This is far from black and white. The question of to what extent to allow "the ends" (his educational startup) to justify "the means" is one of multi-player game theory and is far from resolved:
E.g. your reasoning would call Robin Hood evil. My conscience would call Robin Hood good. A full game-tree analysis would require investigating whether wealth concentration is good or bad for the tech progress that will cause the Singularity.
http://lesswrong.com/lw/uv/ends_dont_justify_means_among_hum...
E.g. your reasoning would call Robin Hood evil. My conscience would call Robin Hood good. A full game-tree analysis would require investigating whether wealth concentration is good or bad for the tech progress that will cause the Singularity.