And I've crossed the railroad tracks many times without looking and I'm still alive.  That doesn't mean it's a good idea, or that you will be as successful next time as you have been in the past.  Eventually you will get hit by the train (or in this case you will get a transaction that takes a VERY LONG time to confirm).  It is up to you if you want to take that risk or not.

As I already said:


just like crossing railroad tracks without looking can be safe under some circumstances (such as when a train doesn't happen to be coming)