Rather than the tubing per se, in this case I think it's more about my carelessness (not ensuring that seat tube was aired after a particularly wet 3 Peaks where I went through water over the b/b) and the (to my mind) stupid approach of sealing the seat tube so any water that gets it cannot drain and sits there, silently and stealthily rotting the tube away until you come to clean it, see a crack in the paint and investigate by pushing screwdriver straight though...
Rather than the tubing per se, in this case I think it's more about my carelessness (not ensuring that seat tube was aired after a particularly wet 3 Peaks where I went through water over the b/b) and the (to my mind) stupid approach of sealing the seat tube so any water that gets it cannot drain and sits there, silently and stealthily rotting the tube away until you come to clean it, see a crack in the paint and investigate by pushing screwdriver straight though...