Sure, in high school or maybe early college

But the further in you get, the deeper you go into a topic, the more specialized you are, the harder it gets to condense the vast amount of knowledge you have into a reasonable space. Once you do stuff like a master’s thesis or a PhD thesis, you could just write and write and write and write, there’s so much you could put into that document, because there’s almost endless amounts of depth

Once you start to truly get deep into a subject, you’d be surprised by how quickly the pages fill up when you try to just comprehensively transfer the necessary information onto paper