Should I walk in to an Apple store and start disassembling their computers to check if they have fan guards?
Why wouldn't you just ask them?
Might be easier to just require them on everything so I know that any product I buy in a shop is safe.
So what you're saying is that because you're too lazy to research products you intend to buy properly, Apple should be forced to make their computers in the way that you prefer?
In the case of Python, since it's on topic, try recent versions of Python's hex() function for instance. Assume it works like it does for other languages, [...]
Why would you assume that?
With your bare hands?!?