1. Don't make bad arguments just because you think someone's position is insulting. (As my point 2 noted, it was a flawed example.) If nothing else, you're not helping your cause...

2. bleachedsleet argument needs that intelligence is very correlated with rationality. Sadly, the correlation is probably quite far from 1. http://www.nytimes.com/2016/09/18/opinion/sunday/the-differe...

(Regarding 2: For instance, there is mental disease. For another, if you raise children with one specific set of answers and they don't see any criticism of those answers, you can make most of them believe in anything all their life. Including creationism.)