The same person has also given a talk on their conference with the title "OpenBSD supremacy", which seems like an oddly specific choice of words (though it could also be the result of English as a second language).
Even unrelated to Charlottesville torch walks generally have right wing connotations, as it was a traditional show of force by the Nazis. In Germany these days you mostly see them done as right wing rallies. As one data point, here[0] you can see NPD members calling for protest holding torches (during broad daylight).
The torches are used as a symbol - might be nothing, but paired with speaking out against cultural marxism it's more likely to be intentional than it otherwise would be.
I don't know, but I'm not giving them the benefit of the doubt since the mail server is fairly explicit if true.
I looked it up on wikipedia. But it was like learning monads from wikipedia. It's a dense nest of jargon that just leaves me wondering which way is up if I spend more than a few minutes following links.
