In my opinion and experience, that is generally counterproductive. The only exceptions would be if the child is self-injuring or harming others. And it is not to say that no intervention should ever be tried, but that most parents and educators may not know what to do and may only make things worse. Calling tics involuntary makes it sound like people with TS just sit there and twitch with no control whatsoever. You can force yourself not to tic for a period of time, but it's gonna come out.
Some people can keep a lid on it all day and explode into tics when they get home.
Some can only stop it for a few seconds at best. Same seems to apply to rages. I've just got enough experience at how it manifests itself in me that I'm able to do something with it. Other people have far better control over it than I do, and others have far less. Some of that may be developmental and maturational factors, some is probably just hard-wiring.