not at all useless (Score 1)

This is the best advice they could give you at this time because it's your only recourse to keep safely using the hardware while you're waiting for the vendor to get off its ass.

Compare this to the vunlerabitiles of open source software on Bugtraq et al where the diff to fix it is included in the disclosure mail.

Methinks you've completely missed the usefulness of "switch to Linux" as a response to closed source bugs.