Manage ms project, manage your team, deliver best projects with success. choose and find right persons also to drive it, don't you?

I do. I will add confirning approved goals (project charter), enlisting management support, and communicate effectively.

I find that strong stakeholder engagement coupled with an agreed RACI Matrix makes for an efficient and well organised project which would in turn make it easier to manage and creat the project management plans. The tools and processes would centre around the competencies of those role holders to enable efficient planning to control schedule, cost, quality risk management.

Even best plans can fail if wrong people are put to deliver them.

You raise a valid issue: Capabilities & necessary conditions for success.