Bug reporting: 8 ways to annoy your software development team (maurits.wordpress.com)

This definitely applies to Tech Support as well. I used to work as a Data Center engineer and would get support tickets that were just written just like the bug reports in the article: useless titles, no info on what they were doing, set to high or critical priority.

By the time everyone I supported figured it out, I had already started moving on to another company.