1. Fire anyone that can't read a ?. operator. Those people shouldn't be programmers and they are most certainly doing more harm than good.
2. You don't HAVE to write it that way and I'm sure all the horrible corporate policies out there willl decree that...omg...don't use ?. , it's soooo mysterious, we're going to have to call in the expert Egyptologists to decipher this mystery. Maybe we'll allow it in 10 years after the scientists and mathematicians thoroughly study this strange and impenetrable new form of Calculus. It's a GOD DAM Null condition operator!!!!! We're not calculating a moon landing here!!