It seems to inform us that (probably across the whole industry) the bottleneck isn't really suppy, but having only enough IT guys to run the website and ordering traffic during regular times, who can't handle well the increased demands on them during this overload.
I've had some experience in the warehouse sector. When it comes to increasing the work force and hiring on people to push out more packages, it takes time and investment. This panic buying of ammo only really took off 2 weeks ago. If places like Bud's started hiring temps immediately, they would only now begin buffering the labor pool. But I suspect very few new hires have occurred. For one, due to the sensative nature of the product, Bud's has to be even more selective in their vetting of who they hire. And lets also look back at the .22lr shortage of 2013-2016. That lasted as long as it did because the manufacturers were convinced the panic was temporary and investing in new manufacturing capacity was expensive, for a demand that was expected to abate within a year. So they did nothing. While it turned out to be the wrong call, from a business point of view, it made sense at the time.
And now here we are, in another "temporary" panic buying spree. Many people believe the virus threat will dissipate in a month or two, whereupon things shall begin to normalize. From a business owner's vantage, spending on ability to better service such a temporary surge may not be worth the expense, and simply doing a dog and pony show like the ammo manufacturers did last time around, making promises and swearing they are doing all they can, may be all they will do. Why spend money to increase your traffic capacity for traffic volumes you are unlikely to experience again?