You can use fakeroot without actualy having root privileges, if you had su/sudo you would be able to destroy your sistem with a simple rm -rf /, but with fakeroot at most you would remove your home directory

You can use fakeroot without actually having root privileges. If you had su and/or sudo you would be able to destroy your system with a simple rm -rf /, but with fakeroot at most you would remove your home directory.