While it could be better written, that's just their installer, it doesn't run in production by its very nature so might be a low priority for coding standards.
If you wanted to call them out, at least call them out for something which actually runs during normal operation.
"All directories have 700 permissions (drwx------).
700 permissions give full control (that is, read/write/execute) to the owner and no permissions to anyone else.
If you wanted to call them out, at least call them out for something which actually runs during normal operation.