Charles inglis wrote a crack brained zealot for democracy what does it mean?

In "A Crack-Brained Zealot for Democracy," Charles Inglis critiques individuals who fervently advocate for democracy without a clear understanding of its principles or practical implications. The phrase "crack-brained" suggests that these zealots are irrational or overly emotional in their beliefs, often prioritizing ideology over reasoned discourse. Inglis underscores the importance of a balanced approach to democracy, emphasizing that genuine support must be rooted in knowledge and critical thinking rather than blind enthusiasm.