i use onenote to import the pdf of the textbook and then annotate that. this process seems like someone who doesn't know what to use their programming skills fo

i use onenote to import the pdf of the textbook and then annotate that. this process seems like someone who doesn't know what to use their programming skills for in order to over engineer a solution to a vaguely defined problem(take pretty notes using software) what is the point of recreating everything in the textbook again?