I used to think that. But consider: A user can manage his/her own stuff in ~/bin and add it to path if he/she wants. A sysadmin can put things somewhere like

I used to think that. But consider: A user can manage his/her own stuff in ~/bin and add it to path if he/she wants. A sysadmin can put things somewhere like /usr/local/experiment33 and make sweeping changes just by changing the default path, which a user could override for customization.