Hi James,
I appreciate you engaging with me.
I also appreciate you feel entirely right and that you've earned your place at the top table, which you have with Bitcoin, no question.
Your achievements, credentials and expertise are not being attacked.
But the second wave of any movement / revolution likes nothing better than to depose the leaders from the first wave.
Right now, I would suggest you try to appear more approachable. For the first few years of your Bitcoin life, you had a hostile audience. I get that, I had it with the early Internet, but we have shifted from attack to accept and are rapidly moving to the adoption phase. You don't need to be defensive or return fire.
There is a difference between not explaining something because it would take too long and telling your audience you're not going to explain something because they are not capable of understanding or disinterested.
For the context of this talk, you could have explained cryptography sufficiently within 30 seconds very comprehensively, but despite this, I too would not have done so in this context.
As a little warning about the pitfalls of over confidence. Bitcoin is my second life, I was at the top of the Electronics, Computer and Internet world and my family owned a group of global public companies.
We were deposed, we didn't see it coming.
You are more fortunate than me, you are watching the attack on you happening in real time. It feels like you are invincible. You are not, nobody is.
You have an image problem right now, if you can't work through this yourself, consider hiring professional help. Either an image coach or a PR firm or both. It may be worth your investment.
Just a suggestion from an old man that's been there and done that in the irrelevant annals of history.