yes and people do sit and learn all day and are mesiras nefesh and do learn for the sake of learning, and if they do go on vacation they were lucky that it was paid for for them. and there are those plenty who i know who are sitting and learning and are not going on vacation its a matter of support that they are or are not getting.
Being moser nefesh today and “then” is a bit different and some people do have pasta every day and dont complain