When I started coding PHP professionally about ten years ago I was bothered about the namespace separator too, but now it looks natural too me and I think

When I started coding PHP professionally about ten years ago I was bothered about the namespace separator too, but now it looks natural too me and I think it is more readable than a dot. On a Swedish keyboard layout it is easier to type backslash than forward slash, so that is a plus for me. If you use an IDE like PhpStorm you rarely need to type namespaces anyway.