Usually companies that use open source software in their products contribute actively to the projects. And with “actively” I mean sponsoring the project and/or contributing to the development with PRs. Considering the “rude” reply, it seems that there were already other arguments between the dev and the one that reported the bug.
HaikuOS, simply FANTASTIC! Out of curiosity are you using it as a daily driver? I’ve tried early beta (2010 or so) and it was super fast but not enough to use it every day…