Obviously if you can run everything in-house for cheaper than an organization can do it elsewhere, you should. Large numbers of businesses are discovering that's not the case, or their 10 seconds of downtime isn't actually consequential. (If it is, then having an in-house base of expertise is critical. But an SLA is not the same as an in-house ops department!)
Does Boeing outsource anything? Discuss.
Obviously if you can run everything in-house for cheaper than an organization can do it elsewhere, you should. Large numbers of businesses are discovering that's not the case, or their 10 seconds of downtime isn't actually consequential. (If it is, then having an in-house base of expertise is critical. But an SLA is not the same as an in-house ops department!)