There are too many changes and refactorings for C++.

Additionally, if the project is owned or influenced by a corporation, the mythical programmers have little influence:

Some authoritarian ex-mediocre-programmer-turned-middle-manager calls the shots and is more anxious to "grow the team" than to ship robust software.

Nothing saves you in that situation. For example, some authoritarian ex-mediocre-programmer-turned-middle-manager who cares more about growing the team than shipping robust software could be the one choosing what language to write it in.