and the key word was some. Some have thrived, and others haven't ... Andreea so far hasn't, but his cause is not lost yet. But even so, even if he'd have 100% success rate, just because something works, doesn't make it commendable.
But then again, I'm pretty sure Jose was only half serious. In the end it's not what you say, it's how you say it. Tough love is good as long as it's clearly love involved, as long as players realize that Sam means well, they will probably accept a rougher treatment.