OK, so Obama is on the board of a non-profit whose goal is to improve Chicago public schools, along with Ayer who is now a respected member of the community.
What do you think they did at the Board meetings, planned revolution?
I'll bet they discussed how to allocate funds to public schools to improve the quality of education.

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“ The subjects of every state ought to contribute towards the support of the government, as nearly as possible, in proportion to their respective abilities; that is, in proportion to the revenue which they respectively enjoy under the protection of the state.”

Adam Smith , The Wealth of Nations 1776

"We have always known that heedless self-interest was bad morals; we know now that it is bad economics"
FDR's second Inaugural Address