That idea is too much of a reduction of how businesses actually operate. Most businesses that aren't market leaders have to offer new or upsold products and se

That idea is too much of a reduction of how businesses actually operate. Most businesses that aren't market leaders have to offer new or upsold products and services to grow because they can't throw around their monopoly power. If you control 0.01% of the the entire delivery food sales market, and you raise middleman fees 3x, your (restaurant) customers will take a hike and switch to a different, cheaper delivery app. If you control 75% of the market, your customers might be more willing to accept the increased fees.