its soda, but same reason not to over carbonate.
Must be a weak batch of bottles considering the soda would be force carbonated.
That was my thought.
appears so. i havent seen one yet up close, but looks like the thicker style flip top…i’m curious as to the issue.
I always figured the rubber seal would leak before the bottle would break.
Don’t get close 
I bought 2 jut before thanksgiving cause the wife loves moscow mules. I was hoping to keep them for my homebrew- already cleaned the label off too!! Bummer