Totally agree. It is no one's business which phone number anyone uses or why. If you (collectively) aren't contributing to their finances, MYOB.
As for the bottom line, how about you start by not using any of Disney's water (no showers, no towels, no soaps), heck, don't even turn on the lights or the a/c because G-D forbid they have to pay a bill...and just think, you'll be doing something "green" for the planet, now that whopping $1 savings can be passed on to you for your next vacation.
Give me a break. People with gripe about anything.