Is burning poached ivory good for elephants?

Conservationists raise serious questions about the widespread incineration of ivory stockpiles confiscated from poachers

At the end of April, Kenya incinerated 105 tonnes of confiscated elephant ivory, aiming to send a clear signal to the poachers and public alike: killing elephants for their tusks and buying ivory-based products is simply not acceptable.

But do such spectacles really help conserve elephants? Or could they, in fact, be counterproductive?