While this is true, I was specifically addressing the comprehensibility of the core perl5 VM sources - so the existence of N other VMs seems orthogonal to me.

While this is true, I was specifically addressing the comprehensibility of the core perl5 VM sources - so the existence of N other VMs seems orthogonal to me. Or: I agree with everything you said apart from the implication that what you said is a counter argument to what I said - it seems to me that both can be true without conflict.