Why are my damn phone bills upside down?

What’s the deal with both my ma bell bills and my cell provider bills printed upside down and stuffed into the envelope from the bottom? I find it totally arsenine and annoying. Could someone please enlighten me so if there’s a benefit I can enjoy it? I also wanna tell my dad 'cause he doesn’t know either.

I’d ask Ken Jennings but don’t have his email addy.

Thanks guys!