I hope that remains the case. File structure inferred namespacing to save one line per file seems like a ridiculous breaking change. If you're looking for succinctness to the level that something like that matters in your line/character count, use Perl or something.
If you're looking for something like scripting without a lot of fanfare, just look at https://devblogs.microsoft.com/dotnet/announcing-dotnet-run-...