And she doesn't think the moment he (turned she) is let out of the pokeball he (turned she) won't punch her out?
Poor planning Team Rocket. Poor planning.
Plus as everyone knows, Ash'll be having a grand old time inside the pokeball. After all they're apparently supposed to contain a paradise-like environment for them to rest in.
Bad idea Jessie...but brilliant execution. Still, the moment either is loose you'll either be deep fried to a golden brown color, or nicely tenderized with a fist-and then fed to a gyarados.