I totally agree with the thrust of this. There is one other concern, though. I actually just submitted my own blog post on how infra costs can break a business.

I totally agree with the thrust of this. There is one other concern, though. I actually just submitted my own blog post on how infra costs can break a business. https://questinglog.com/costs-are-part-of-scalability/ https://questinglog.com/costs-are-part-of-scalability/ If your business model brings in $X per unit of usage your hosting costs need to be < $X per unit of usage or else no amount of engineering will make your business profitable. One of the founders of Twitch recently tweeted about how using Amazon's new service for Twitch-like video streaming simply wouldn't be feasible for building your own Twitch.