It would be hard to say no to trying it at least once. Technically it's just masturbation with a toy even if it's a fully automated, fully programmable toy that adjusts based on your vital signs to give the best experience possible. So instead of using your hand or a [words=http://fleshlight.sjv.io/c/348327/302851/4702]Fleshlight[/words] or whatever and edging you've got a computer doing it for you.
The problem is when people begin using them as a substitute for real human contact and relationships. There are already people doing that with Real Dolls. All these things have a place. Using them to satisfy you between relationships or in situations where you're unable to be with your partner is okay. Having a relationship WITH the toy is not.