It's better to get out in front of the issue and control the public reaction to the brand. If there were long delays in order shipments without any reason given, the public might get concerned and move on. Knowing that it's because of capacity constraints, that tells the public that the product is so good they can't build enough of them to satiate demand. When the orders book opens back up, I'd be more inclined to order 2 firearms at once instead of one to make sure that I get what I need put into the system. In the end, I would not be surprised to see the order backlog continue to expand at a faster rate.
It is telling about quality when one product won't be in because of manufacturing backlogs vs. one readily available because of light demand. Which would you want to put down several hundred dollars for?
I have heard comments to the effect that this will just drive customers to buy other guns. Well, I don't know if the people who think that have done any gun shopping lately. Try it. It's not just Rugers that are out of stock, it is practically every other well regarded gun as well. What is still available from the stores I shopped online is the very off-brand stuff, and the very expensive ($1000+) stuff.
So RGR is being forthright and protecting their customer image, while not really losing much in the way of sales, either. It doesn't hurt for a product to have an air of scarcity about it. Order two if you can get'em, sure.
Also: I happen to own a Ruger .177 air rifle. It's a very nice rifle, despite a low price. I was surprised how much gun I got for the money. Just today, I happened to notice that it is made under license in China!
They could probably solve their production bottleneck overseas and make all the pistols you want. But they won't. MADE IN AMERICA is a source of pride for the company and for its customers.