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I'm pretty sure RHEL 7.0, which was released in 2014, shipped with Python 2.7 as the default.

Well what are the downsides of this? One is not limited to Python 2.7 because of the operating system, for instance.

We (Red Hat) also released an easy way to do a side by side install of newer tooling without impacting the OS. Python 3 was released on Red Hat Enterprise Linux in 2013, and we currently support Python 3.6.

Here's more on how software collections work and what is released: https://developers.redhat.com/products/softwarecollections/o...

You see old and crusty, users see a stable software API that receives security updates for decades.

IIRC it's a clone of redhat and redhat is in the business of support.

Big companies goes to red hat because they promise to support software beyond their life cycle for years. So that's that.