One reason would be that (particularly in light of some govt agendas revealed recently) that govt funding would inevitably steer and even corrupt the developmen

One reason would be that (particularly in light of some govt agendas revealed recently) that govt funding would inevitably steer and even corrupt the development of FOSS. There's even talk about how the NSA, who contributes to open cryptography standards, may have been deliberately placing vulnerabilities in said standards.