Is it, really? I mean, it's Turing-complete, nice to use, quite fast... I don't see a reason not to reach for Swift if I want to do some reasonably generic data

Is it, really? I mean, it's Turing-complete, nice to use, quite fast... I don't see a reason not to reach for Swift if I want to do some reasonably generic data crunching (instead of say, Java, C++, Crystal or similar languages).