[oefrha]

> Who would use a programming language that wasn't open?

The vast majority of iOS developers. Swift 1.0 wasn’t open source, and IIRC when it was announced there wasn’t even a promise that it would be open source. I think Chris Lattner did signal they were willing to seriously consider it some time in the future; that was all.

There is a lot of money to be made in iOS, so people will use whatever Apple forces them to use, whether it’s open source or not. If some would leave money on the table on ideological grounds, all the better for everyone else.