You should read over NIST 800-53 AC-2 and AC-6. They go over why privileged accounts are important, why they are used, and how they protect users and organizations.
JIT access should be the goal.
Scroll down to: Implementation Guidance
https://csf.tools/reference/cloud-controls-matrix/v4-0/iam/i...
>JIT access should be the goal.
Individual privileges for specific things should be given access to instead of giving god access to a system.