My only issue with this is that a 'centrist, religious, american' is never going to put the necessary effort to even gaze outside the labyrinth of walled-gardens. So you're hoping to cater to the very demographic that is the last to ever find visibility of such a platform
Edit: Install Gentoo
This is an obvious generalization that is in no way verifiable with any level of quality, right? This is that classic bias from loudest most visible nuisances(not the correct name for it, but I feel it's good enough)
At the end of the day, toxic users are the way they are due to a relationship with attention. So long as we are the little guy who's focused on interest-driven communities, toxic users will not feel welcome here by default.