It's not about going around trying to stir up trouble. As long as you're honest and you articulate what you believe to be true, somebody somewhere will become your enemy whether you like it or not.
We live in a culture that has, for centuries now, cultivated the idea that the skeptical person is always smarter than one who believes. You can almost be as stupid as a cabbage as long as you doubt.
In our reasonings concerning matter of fact, there are all imaginable degrees of assurance, from the highest certainty to the lowest species of moral evidence. A wise man, therefore, proportions his belief to the evidence.
Believe something and the Universe is on its way to being changed. Because you've changed, by believing. Once you've changed, other things start to follow. Isn't that the way it works?