Here is the right basis of comparison: Netflix first month estimated viewer-hours x 3 ~= equivalent box office sales.
maths in a brief thread
(given $10 per month in subscription and watching 1 hour and 40 minutes a night, with the movie lasting 2 hours)
So you could argue that from a marginal content value perspective people are willing to $1.40 for that in-home movie.
Movies do (very) roughly 1/3rd of their revenue at the box office, yielding the rest from Pay TV, VOD, Cable, and yes, on-licensing to OTT
Half of a movie's total viewing hours across all platforms (which is ~only on Netflix) may occur in its first month
Working backwards that's 20mm view-hours box office equivalent at $4 per hour ~~~= $80m in box office.
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