What specifically?

I'm not trying to be difficult, but linking to a lengthy Wikipedia page is not an argument. From a quick glance a number are old, and a number are just non-issues (e.g. "Mono patent concerns", which was just some baseless FUD mentioned by Stallman once almost 15 years ago), but I didn't read the entire page. "Incentivizing municipalities and other government layers to use their software" could just be normal business practice (or something shady – much depends on the details).