Assuming you use the script as suggested, letting a 3rd party site know your stats (and users) sounds like a non-trivial downside. I'd surmise the author is be

Assuming you use the script as suggested, letting a 3rd party site know your stats (and users) sounds like a non-trivial downside. I'd surmise the author is benevolent, but if this were to be turned into a business, some kind of data play seems like the trivial next step.