For context, the person who wrote that is autistic.
To us, self-deprecation is a form of ownership.
If we can’t find the irony in our own wiring, the whole concept of humor falls apart.
As the guy that wrote the line is also writting this comment, I'm so sorry that you felt attacked. It is truly a relief for me to be able to make fun of how weird I act in front of uncomfortable situtations or social moments.