I am also rather perplexed by it. Once, I had a similar call from a member of the public, an irate rant along the lines of "your software broke my computer and

I am also rather perplexed by it. Once, I had a similar call from a member of the public, an irate rant along the lines of "your software broke my computer and what are you going to do about it?" However, it wasn't software I had developed or was responsible for maintaining - their Google searching had led them to me, a sysadmin dealing with the backend of a related project.