I'm not referring to the Visitor pattern in Abstract, I'm referring to the specific solution the author of the article we are discussing employed. There is no

I'm not referring to the Visitor pattern in Abstract, I'm referring to the specific solution the author of the article we are discussing employed. There is no such thing as a pattern that always increases clarity. That's not what patterns are for, so that's unsurprising. It's the case though that this specific application has pretty much only benefits.