Why are tamperproof bolts & screws used with bathroom stall partitions?

More than I needed to know.

Dude, be glad I didn’t go into details of what it’s like having irritable bowel. Let’s just say (without getting graphic) that I think John Hurt’s character in Alien was a wimp.

People are weird.

So what kind of tool is used to get them off? I suspect some type of attachment to a power drill?

A tool like this.