That's a very good point (and easy to change in the code). When I was thinking about what to write I considered making a modified version of the PoC that was a

That's a very good point (and easy to change in the code). When I was thinking about what to write I considered making a modified version of the PoC that was a bit more readable and adding a few tweaks like handling different TLS versions but in the end I decided that explaining it as-is would be worthwhile in itself.