Yes, he mentions he was photographed running a foot race during a date and time Satoshi sent emails (of course that's a bit weak).
Anyone sophisticated enough to hide their writing style and identity would be more than capable of setting an email to go out while they were at a public event.
Likewise, the argument discounting szabo because he exposed some ignorance of Bitcoin is exactly what someone might do to throw off the scent.
Thank you!
Reasoning: They have the chops to create the world's first system where consensus, scarcity, and ownership exist without a central authority... But, they also lack the ability to write a Perl script to "Send Later". Checks out.