Giuliani is either dumb or crazy, but he’s actually making a fair point. If Cohen was in the habit of keeping tapes, he should have something to corroborate his own story that Trump knew about the meeting.
Now obviously it’s not like he was walking around with a recorder 24/7, so the absence of a tape is not exculpatory, but I get what Giuliani is saying.
If people think Giuliani is dumb or crazy it's bc they aren't intelligent enough to comprehend what he's saying.
And yes, secretly recording client conversations and the dispersing them to the public is an egregious violation of the RPC