From OSI's own blog (about two hours ago). Did more people cancel (realising their money had gone into openwashing)?
Summary: The way things are going, sooner or later only 2% of the OSI's money will be coming from actual people (and 98% come from corporations like Microsoft, for which OSI is advocating proprietary software like GitHub)
That gives Google far too much power over its rival... There are already many sites that refuse to work with Firefox or explicitly say Firefox isn't supported