Earlier quoted context omitted.
That has nothing to do with what a "product" is.
What? So your advice is to knowingly ignore what actually makes your site money and just call some random other feature "the product"? How would Reddit admins/CEOs ever make decisions using that advice?
Building up a community and building a product are completely different things. You can have the perfect product yet never get any community. You can get a great community without even a product.