Longbox55 I think you are dead right. One of my Coker tubes let go and I replaced it with another manufacturer's and it is fine.
When I asked why I couldn't patch the tube (like I used to do last century) I was told that I could but, shouldn't count on going more than a couple of blocks.
The friction between the tire and tube is tremendous.
I can't imagine how a tube in a tubeless tire would hold up.
