Earlier quoted context omitted.
Unfortunately it's all fun until Integruru or you get a cease and desist. Will Integruru support you in your legal fight in court? Most devs aren't ready to lawyer up.
You get a cease and desist letter, you cease and desist doing the stuff if you don't want / can't afford a legal fight. Then you post the cease and desist letter on your website, and post about it on hacker news.
Very risky business.