Plus you have to provide most, or maybe all, of the support for software. Not just making compilers and related dev tools, but also building and testing of pre

Plus you have to provide most, or maybe all, of the support for software. Not just making compilers and related dev tools, but also building and testing of pre-compiled binaries for popular OSS. That's fine for a few major pieces of OSS, and for internal, cloud-only software (Redshift, BigQuery), but I don't think that concept scales well, or is particularly quick to adapt to market shifts.