Ouch! I gotta disagree. Not about the personal freedom issue, but about the irony.
That's one of the clearest examples of irony I've seen in a while...
I thought I explained it but let me try again.
If he was arguing that he could drive a motorcycle without a helmet and still be safe, then it would be irony.
What he was saying was despite the fact that I am putting myself in increased danger, I protest helmet laws because personal freedom is more valuable than personal safety.