Nah, macros are cool. Of course you need to use them properly, you can use operator overloading the wrong way too, and you can drink beer to have a good night out with friend or you can become the drunk on the main square asking for nickles from passers by.

A nice macro which implements foreach() for C++ is in boost, (BOOST_FOREACH), in foreach.hpp. It's documentation page has an overview of the design considerations that went into making this a 'safe' macro. It's quite informative for learning what to look out for when writing macros.