But a worrying habit these days, as more and more software gets sold/distributed through app stores and "integrated" solutions like Steam is that a majority of the feedback comes through the "rating" system only, no way of contacting a real human.
So, when I have a problem with a software, I'm usually lost with searching on Google, where for most of queries crap sites like Quora appear where the content is visible only after a registration, or when it's driver/DLL related, a bunch of scammer sites are the first three Google pages and only then a blog entry written three years ago comes up where someone encountered the same DLL-problem with the software I use and posts a solution.
With public open-source software, the bugtrackers are mostly without single-sign-on (when a platform exists which provides SSO for the service, like a game account or in case of Wikimedia's Mediawiki, the Wikimedia SSO) - why?! WHY DO I HAVE TO GO THE EXTRA STEP AND REGISTER AN ACCOUNT TO REPORT SOMETHING YOU F..D UP?!
Or, on bugtrackers where there's no backend SSO architecture, there's no way to sign in using FB, Twitter or any other OAuth provider. WHY?
What is it what keeps YOU or YOUR COMPANY from providing a public bug tracker? After all, you're likely to have an internal bug tracker for the dev team already, so why don't provide a "public" one linked to the internal one?
After all, if customers can help each other (or even you as the developer) you saved money on support and developer time...