I've never seen any arguments for using C over C++ that I'd consider convincing. I think most people are afraid of certain features C++ offers, often justifiably. Yet this doesn't convince me because one can enforce whether or not to use certain features through coding standards. Even in C, there's much you'd want to avoid. Discarding C++ entirely is essentially saying it offers no tangible benefits over C that would help one write better code, which is a view I consider to be quite ignorant.
Additionally, people always seem to raise the situation of platforms where no C++ compiler exists. Certainly C would be appropriate here, but I think you'd be hard pressed to find a platform like that these days.
