I say no.
Johnson revealed today that he expects Strasburg to most likely miss two starts at the end of the season, as well as the entirety of the playoffs.
In my opinion, when you are in their position, you go for it. Look at the Phillies last year compared to this year. You never know what injuries or drops in production that might hit the team in the future.
Although Rizzo has come out and basically said that he will make the call as to when it is time to shut him down and not necessarily Johnson. I might agree with them having him skip a start or two (depending on what their lead is) but I do NOT agree with them shutting him down for his last couple of starts (if they do intend on using him in the playoffs) and if they don't plan on using him in the playoffs I don't even know what to say about Rizzo and Johnson. If he is going to be used in the playoffs, but they decide he must miss 2-3 starts I would rather they skip one, have him pitch one, skip one, etc. I don't think you want to give him a 2+ week layoff before his first playoff games ever.