there's too much science "up in the air" (to refer to the stuff that hasn't made it down to the text books)

it bothers me but I cannot do anything about it (other than be bothered by it)

> I have seen the false perception a few times that a PhD is mainly about sitting down and thinking deeply for a long time without talking to anyone and then getting an eureka moment and writing it all up.

also, a big part of the complaint from the linked and removed original blogpost is precisely the lack of being able to find people with whom to discuss. His advisors are not knowledgeable enough, (blog author claims) further, they advised them not to require so much in-depth knowledge in their thesis (!!).