Netflix chose AWS because it was the only viable cloud at the time. (They used Azure for backups.) In fact, Netflix helped build AWS. There were daily long-ter

Netflix chose AWS because it was the only viable cloud at the time. (They used Azure for backups.) In fact, Netflix helped build AWS. There were daily long-term scheduled meetings with AWS developers to review new features and versions. In addition, the policy from mgmt. was that they were fine being mono-cloud, since if they changed their mind, they had the engineering resources to migrate whenever it made sense. Source: worked at Netflix.