Such remarks are not helpful, and are nothing to do with people posting that flour, brown sugar, condensed milk etc are in short supply, which I commented on in another thread.
Not everyone is reading the other thread where you posted that.
You also posted here after she said she was having trouble sorting certain items.
The fact of the matter is there have been shortages, and that is going to continue. They might not be the same shortages in every place, but that doesn’t mean they aren’t going to exist and people shouldn’t plan for it.
That’s not causing panic, that’s being sensible