What is the irony Zinn tries to convey concerning John Locke?

For Zinn,
theconcerning John Locke was that his advocacy was predicated upon supporting those in the
position of economic power. Zinn points out that Locke's ideas of government, popular
sovereignty, and that government is responsive to the will of the people is rooted in that these
people are wealthy individuals.  For Zinn, this is ironic because while the American Revolution
used Lockian ideas to advance the interests of "the people," it was not all the people
that were kept in mind.

Zinn points out that Locke was a proponent of
liberal capital wealth. Locke himself was a benefactor of the accumulation of...