There is plenty of merit using a language you enjoy. A certain language might be twice as fast to get work done in, but you can be 10 times as fast if you are

There is plenty of merit using a language you enjoy. A certain language might be twice as fast to get work done in, but you can be 10 times as fast if you are enjoying yourself and motivated. I just wouldn't kid yourself that scaling is the reason for the choice. Just enjoying it is plenty of reason.