You said:

which is perfectly capable of FTP.

A FTP client without SSL is not perfectly, may be in Windows 95 times.
Yes, i talked about FTPS because FTP without SSL is not useful. Sending logins over unecrypted connection, ... no, huuhhh!
In 2014 https exists for secure connects/logins on HTTP protocol and therefore FTP should have it too.

WS_FTP95 😎