I think it may be hard to do anything unless they have all signed agreements to the rules if so court process may be the only way to go
Remember when posting what may seem innocent to you may not to others,
text shows NO emotions so please,,, don't take it personal & automatically go on the defense.
Take it w/ a grain of salt, take it as a joke or just let it go.
"If George Washington was asked for his I.D. do you think he just wipped out a quarter?"