Because their base doesn't care if it's fake or not. Most of them hate the military (and US in general), so they couldn't care less if it was fake. The only purpose is to use it to smear the Right.
It's like people throwing around the comparisons about Christianity and "what Jesus would do" to smear the Right. They don't give a crap about Christian values, in fact they despise them, but they'll still twist it in a poor attempt to make an argument against Conservatives.
Because their base doesn't care if it's fake or not. Most of them hate the military (and US in general), so they couldn't care less if it was fake. The only purpose is to use it to smear the Right.
It's like people throwing around the comparisons about Christianity and "what Jesus would do" to smear the Right. They don't give a crap about Christian values, in fact they despise them, but they'll still twist it in a poor attempt to make an argument against Conservatives.