It rather smells like a marketing scam, frightening people into buying new locks they don't need.
Whilst I would agree with you on that account, lock bumping is "nothing new"
It was has even featured on BBC Watchdog earlier this year.
Also, Anti bumping "liquid" products have also been featured on QVC shopping channel.
At one of the major lock conventions, also this year, a demonstration was carried out on the worlds "so-called" most secure locks as used by FBI, CIA, Mi5 and Mi6, it was bumped withing seconds.
Any lock that uses "tumblers" can be bumped once you have a original blank for that "type" of lock.
With a normal Yale type lock, you will find that the key is inserted into the lock with the flat part down at the bottom of the key and the pointed bits at the top, by reversing the lock the other way around "helps" to prevent bumping, and does not hinder the use of the lock.
(this helps to keep the tumblers sticky, as any grease and dirt clings to the tumbler pins) but there is actually no way of stopping it completely regardless as to how many pins (tumblers) the lock has.
However, there is one way of "helping" to counteract this, and that is to fit 2 Yale type locks onto the door
(NOT night rim latch locks that also use Yale type keys, because when the lock is turned, it stays in the unlocked position until the key is inserted again).
With using two (2) Yale type locks, this requires the both keys are held in the open position at the same time for the door to open, which means the intruder has to use both hands just to hold the 2 keys, but if they have a accomplice then even this method is still then defeated.
Also just to clarify one small point:
Using the bumping method doe NOT entail using a hammer, any object will suffice, even a hair comb.
