To be honest, not really necessary, but it's informative and a good thing to always make the community aware of such case scenario. Most times we as humans tends to make mistakes that cannot be reversed, especially with cryptocurrency where if you loss access to your funds or send to a wrong address, your coins are literally lost for good.

Before every transaction, be it business or even your personal transaction, it's better to confirm the address of the receiver. That's because many times these tiny things that we deem not important might just be the most important at that point in time. It doesn't matter if you are doing a surprise or not, you have to confirm the receivers address always before broadcasting your transaction...