You might try reading the Citron Report. It was pretty though and came complete with a database of legal cases that are pending against ISRG and their customers.
Sentiment: Strong Sell
Don't waste your breath. Citron wants to steal their shinny new penny. Why face the truth, it is only money you are going to lose that you did not deserve to have in the first place.
It shows much ignorance on what the machine does.