The license must not discriminate against any person or group of persons.
That is the legal definition to be compliant as per OSI. The JSON license did not fulfill it. However, since then, the JSON spec/schema has been worked out under ECMA 5 standardisation, so you can JSON for all your evil projects now without a worry. [1]
JSLint, however, you will need to get a waiver like IBM did.[2]