Seems like a bad comparison. On the one hand you are apparently willing to overlook a 100x performance penalty associated with XML compared to protobuf. And the

Seems like a bad comparison. On the one hand you are apparently willing to overlook a 100x performance penalty associated with XML compared to protobuf. And then you apparently assign no value to the safety of a strongly-typed representation in C++ vs Doc*-you-figure-out-what-this-means.