The private keyword should be reverted back to its Swift 2 file-based meaning and the fileprivate keyword should be deprecated.

これ派ですね

2:20 AM

こんなすぐ戻そう議論が出てくるくらいのものを https://github.com/apple/swift-evolution/blob/master/proposals/0025-scoped-access-level.md でどうして採用に至ってしまったのかなと不思議です

メーリス漁れば分かりそうですが

swift-evolution - This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.