>"everyone understands it and a lot of useful things have already been written in it" That's such an overwhelmingly good reason to express yourself in English,

>"everyone understands it and a lot of useful things have already been written in it" That's such an overwhelmingly good reason to express yourself in English, instead of Esperanto, that you really don't need to postulate any additional reasons. Most things like programming language choice follow heavy-tailed distributions, which means that there are a few that are overwhelmingly popular, as well as many that are extremely unpopular. The reasons that C++ turned out to be overwhelmingly popular may be mainly historical. You could probably also blame popularity for making C++ so ornate. It jumped on every language trend over the years. Fortran didn't, but if Fortran had been popular...