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No, bad. It disables all deprecated warnings. Including those not for using the safe versions of the CRT.
There is a define that you should use.

We obviously love to disagree, but the thing is that they are easy to get rid of with wrappers and macros.
Anyway, these are the two sides of the argument. Anyone is free to choose their own...

*shrug* They are only trying to look out for your own well being and to help you find and debug errors, so I say they are perfectly justified.