There were two vague time periods to medieval monastic life. By the late middle ages it had transitioned to pretty much as you say (although, every monastery w

There were two vague time periods to medieval monastic life. By the late middle ages it had transitioned to pretty much as you say (although, every monastery was different). Centuries of donations of land from nobles had meant that they didn't really need to work anymore in order to have an extremely upper class life style. And centuries of 'donations' of second and third born male offspring (who otherwise wouldn't get an inheritance anyway) had eroded the spirit of a lot of the piety rules they operated under since a lot of these kids never really wanted to be monks in the first place.