I doubt their concern is saving money in this case, it's more about time to market for new products/features. If they can get a head start by spending more up f

I doubt their concern is saving money in this case, it's more about time to market for new products/features. If they can get a head start by spending more up front and focus entirely on their product, they may be able to grow significantly faster than if they kicked off a multi-year effort to role their own infrastructure.