[zenbowman]

Except that C++ already has the interface with "the right thing", the author of the post was just unaware of it.

It is a very complex language, and that is definitely a mark against it, but the exact same thing could happen in Java or C# if people didn't know to use StringBuilder instead of relying on concatenating strings.

[microtonal]

It's a complex language, but the standard library is tiny compared to e.g. Java's. Anyone programming C++ should at the very least know [io]stringstream.