Do Men Change Diapers in Texas?

The scene: a Mexican restaurant outside of San Antonio, TX.
The problem: a dirty diaper on a 18 month old mid meal.
The solution: Dad goes to change the diaper in the Men's restroom, while mom finishes her meal.
The obstacle: There is no changing table in the Men's restroom.

What happened next:
Dad attempts to change his boy in a restaurant booth removed from the other customers. He is consequently yelled at by the waitress. She explains that three customers have complained. He explains that there is no changing table in the Men's restroom. Her response: use the Women's restroom.

The question: Do men change diapers in Texas?