I would like to see this enabled, along with a warning to the user that
the secret key will be stored insecurely and should be stored in a
safe offline location.
If there is a secure way of storing this on the server (I've just begun
getting into this), and that is why selecting a secret key activates the
"Send to Keyserver" option under the "Key" menu, this should be
renamed. If this is not the case, please let me know so I may file it
as a bug. I've intentionally NOT tried to submit a private key to the
server for this reason.