Are you frequently changing your AWS user accounts? Default regions? How do you keep track of where you are?
I just wasted 15 minutes wondering why are my EC2 instances not providong expected output. Once I called the commandlet with -Region eu-west-1 it was somewhat better. Once I also figured out I should probably get out of the restricted profile it was so much better.
So, how do you know who you are? No, whoami and your passport won’t do the trick here.