I have not flagged any of your posts, but remember that "free speech" means freedom from government interference with speech, not freedom from a particular community deciding that your speech is disruptive to that community.
I notice looking through your comment history that you spend a lot of time discussing abortion and gun control, the two primary culture war wedge issues in American politics, and which are mostly off-topic for a technology and startup focused discussion site.
I tried to answer your question in good faith, and hope that you appreciate the information, but I don't really think this is the best forum for discussing the ethics of embryonic stem cell research.