I highlighted the word simple here, because this is in fact a simple approach to a much more complex issue. I also highlighted revenue as revenue is not profit.
They barely made any operating income under the model you prescribe. To put these totals into perspective, Netflix makes more than 5 billion dollars ANNUALLY in operating income and made 8.6 billion last year.
Sony can't afford to operate as a big fish in a small pond. Big Tech will eat their lunch. It's just a fact, an inconvenient fact for many, but a fact none the less.