I don't understand your problem with people doing something tedious, somewhat interesting, that they might actually enjoy, that others might actually enjoy, and attempting to monetize it. Maybe the sponsorship works to make it worthwhile, maybe it doesn't, who cares?
But I don’t care what he does. It was just a comment. You’ve made several that imply I care a lot, which makes me seem unreasonable. If that was unintentional, please don’t do that. If that was intentional then go suck a different lemon, because I’m really not that bitter about this.
I think its completely benign.
I would be a little annoyed if the stranger’s life was a fake feel good story like the ones seen on Linkedin these days, but even then I would just accept the entertainment for what it is: entertainment. Ad supported entertainment.