Since the American Revolution popularized the idea of freedom of speech, many American citizens have embraced that right to not only challenge their government and its leaders, but to also challenge the opinions and beliefs of others. Sadly, many countries do not share this common freedom that we have.
However, with the advent of the internet, that freedom can be expressed no matter where you hail from (for the most part). Now anyone from anywhere at any time can voice their opinions. Whether this is a good thing or a bad thing has yet to be determined, but there’s still a very important part of this that everyone must keep in mind:
Just because you have an opinion, doesn't mean it's the right one.