And yet, I don't recall ever in any documentary or so, having seen the pilots get up and leave once the autopilot is on? They have humongous checklists to pars

And yet, I don't recall ever in any documentary or so, having seen the pilots get up and leave once the autopilot is on? They have humongous checklists to parse, do they not? I want you to go on wikipedia(is that not mainstream enough) and search for the term Autopilot. Reads its ACTUAL definition and come back.please.