People like "jer" are likely miserable to be around. Some people like that want an excuse to project their insecurities.
He could have simply said he wasn't interested in Nostr and moved on, but he chose to attack it instead. This reminds me of what Morpheus said in the first Matrix movie...
"You have to understand, most of these people are not ready to be unplugged. And many of them are so inert, so hopelessly dependent on the system that they will fight to protect it."