Ultimately companies that abdicate their informatics operations like this will give their profits to their data-center operators, who will be empowered to charge them whatever price they want. Because what's their BATNA? Migrating from Azure to AWS when Microsoft doesn't want to let them? Renting your information infrastructure is a great way to reduce startup costs, but down the road, that information infrastructure…
Uh yes, exactly?
Clouds give small customers the first hit free as a loss leader. With very large customers, clouds have to be price competitive because if you're at a large scale, it is totally worth spending millions of dollars for a 5 year plan to change clouds. The people who get screwed are the medium to large customers for whom the cost of changing clouds is too high to recoup in a reasonable timeframe. The moral of the story is be very small or very large, but avoid being medium sized.