Now that intelligent people are free to become atheists, is christianity become more radical and dumber?

In the past, it was totally unacceptable to be atheist. even in my parents generation, everyone was expected to be christian. And christianity was milder then, more of a social gathering point than the bigoted anti-science fringe group it's gradually becoming. But over the last 30 years, as atheism has become... show more In the past, it was totally unacceptable to be atheist. even in my parents generation, everyone was expected to be christian. And christianity was milder then, more of a social gathering point than the bigoted anti-science fringe group it's gradually becoming.
But over the last 30 years, as atheism has become more socially acceptable in western countries, intelligent people are free to reject christianity, and atheism is growing steadily.
As a result, as intelligent people leave, is the average chrisitian becoming dumber (statistically, not as individuals)? And is this why christianity seems to be turning into the small-minded bigoted group like the majority of christians on Yahoo-answers?
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