What you're missing is maintenance, security, scaling, and protection from data loss.
Bespoke CI is easy to build but no one wants to be in charge of rolling out a critical security patch to that on-prem box no one's touched since that consultant from 2 years ago.
Bespoke CI is easy to build but no one wants to be in charge of rolling out a critical security patch to that on-prem box no one's touched since that consultant from 2 years ago.