Blame the airline for seats that are too small, not passengers for being too large.

Have you considered that instead of blaming the person for not fitting in the tiny teeny tiny shrinking seats, that you should actually be criticizing airlines for shrinking the seats repeatedly to where they are very small and close.

I take the train all the time. I fit just fine. I'm 5ft and plump but not obese.

I get on an airplane and my knees almost touch the seat in front of me. (Again, I'm 5ft 3")

The sides of the airplane seat push into both the sides of my hips.

My arms touch my neighbors arms. And I have narrow shoulders.

Like it's insane.

And all I hear over and over is people complaining they have to ride airplanes with fat people. You don't hear people complaining about fat people on trains.

It's an airlines created problem.

They are laughing at us bickering about who is too fat and who should be charged double.

Here is what is going to happen.

They are going to charge anyone with hips bigger than 32 inches for two seats. And then still sell that empty seat to someone else.

You know that's what they will do.

If they cant fit into one seat, then yes the airline can require they buy two.