As someone who has read Derrida and listened to his (much more lucid) lectures, the answer is "Yes". He's mostly full of shit, and he's trolling in a deliberate attempt to obfuscate his ideas and prevent them from being co-opted by capitalist hegemony.
I still haven't met anyone who can convince me one way or the other if Derrida was full of shit, trolling, or actually had something to say.
As someone who has read Derrida and listened to his (much more lucid) lectures, the answer is "Yes". He's mostly full of shit, and he's trolling in a deliberate attempt to obfuscate his ideas and prevent them from being co-opted by capitalist hegemony.