This is a real menace to millions of people who get Aspergillosis. The wide us of these compounds is going to manifest in resistance to many fungal infections of many kinds.
There are a couple biotech companies working on less resistant drugs for Aspergillosis (such as Scynexis and Cidara Therapeutics). That being said, they're just in trials, and probably 2-4 years from commercialization.
That is good, too many people are dying now
How long till it ends up in the gardening section of lowes?
If it's specific to Aspergillis, maybe never? The article says that farmers only really want antifungals that prevent plant diseases -- Aspergillis is an "accidental bystander".