Unix was very much made for multi user environments. The problem with staying compatible with Unix today is that back when Unix came to be, everyone on the system was more or less trusted. The biggest security concern was making sure that everyone who was logged in was billed correctly.
On succifiently offline systems, you can still run software like that. It's quite freeing to have a server with 777 on your home directory when the biggest problem it'll cause is someone pranking you by altering your terminal color scheme to something hideous.
On succifiently offline systems, you can still run software like that. It's quite freeing to have a server with 777 on your home directory when the biggest problem it'll cause is someone pranking you by altering your terminal color scheme to something hideous.