That's the typical thoughtless, ridiculous approach of someone who doesn't live in the real world. Here's an example of a thoughtful attitude: If you have a Mac with full disk encryption, _anyone_ can turn it on and use it to browse the internet, with no possibility of changing anything or reading anything on the encrypted drive. Thanks for that, Apple.
Apparently you are a hermit who never gets any visitors. Because if you got visitors, you would know that they like to use an iPad at your home, and it would be great to be able to hand over your iPad without them having access to everything that is yours.