If stuff doesn't get manufactured for months, we will have a shortage of many other things as well. Obviously we have a lack of demand for other things at the same time.
I don't think there is that much unreasonable stockpiling. People are no longer eating out. Kids are no longer eating at school. So people buy more at supermarkets. They also buy for a week, quite sensibly, to avoid making a trip to a crowded supermarket every day.
Combine that with finely tuned just in time logistics and you get a bit of a crunch. There's simply a misalignment of capacity right now, but there could be a real shortage of some essentials soon.
