We think that the market will give us a good amount of signal about the LTV of a quality reviewer on the site - other users will upvote and send sats to the reviews (and reviewer).
Features like reviewers having their own profile page on the site, interacting with readers to answer questions will help accelerate this discovery process.
With a Sats based economy, we see reviewers capturing much of this LTV as opposed to the platform like youtube - where youtube gets the signal from advertisers and content views and then gets to decide the split. 
But we haven't quantified anything yet