Breaking up the Ma Bell monopoly did create new opportunities. It also showed, at least to some extent, to those considering such opportunities that the gov was

Breaking up the Ma Bell monopoly did create new opportunities. It also showed, at least to some extent, to those considering such opportunities that the gov was (semi) serious about the situation. Mind you, the Baby Bells were allowed to re-merge too quickly. We still lack competition in many areas. Imagine if there was no breakup at all.