That's actually exactly the opposite of what Netflix (I think) was saying. Netflix point was that basically Cloud provider are very good as long as you are a regular user (which can still be massive volume)

Snowflake customer requires too much custom feature and that lead to less competitive prices. When you reach the point you pay Amazon/Google/Apple as solution provider (think SAP, IBM) you need to bite the bullet and build the expertise in-house to avoid unhealthy ties between your and your provider business.

See also, Apple Maps.