Who Needs To Know The Ending Of 'The Mousetrap'?

Wikipedia is getting grief at the moment for revealing the identity of the murderer in Agatha Christie's 'The Mousetrap' on its site. The Christie estate is said to be outraged. But let's put this in perspective. 'The Mousetrap' has been running for much of the time at the same theatre for 58 years, longer than [...:]