That's weird. Every word of it is objectively correct. Let's dig in to help you understand:
A day later, the issue isn't even acknowledge and I have no more information on it than when I first reported the issue,
At the time I wrote that, there was no acknowledgement that an issue existed. I was told that there was no schedule for addressing anything on the conditional "if an issue is confirmed". That is, the issue I reported wasn't confirmed, and therefore not acknowledged. It wasn't until your post, another day later, that this high-severity flaw in the product was acknowledged.
I'm told that I can't track anything, and maybe (or maybe not) something will be done about it.
An internal (only) tracking issue was opened (or updated?) with my input. I can't track any changes to that issue, since it's internal. You yourself reinforced the response that the application may (or may not) be fixed.
The app 'works', just not in all scenarios.
If you have to put quotes around "works", then the app doesn't work.
I can't guess what you mean about scenarios. I'm not doing anything special. The blurb for the app says that it will "Scan, Map, and Manage PC and network storage". It abjectly fails scan or map disk usage on both machine where I've tried to run it.
It's a pretty straightforward conclusion to make that, if a company knows of high-severity issues in their product and they aren't fixing it, they're effectively not supporting the product.