The fact is that Confederate soldiers weren't terrorists, so much as they were traitors. But either way, there is nothing honorable about it.
Meanwhile, Matt Yglesias has a great post about "the white southern political tradition’s very partial and selective embrace of majoritarian democracy."
As long as national institutions are substantially controlled by white southerners, the white south is a hotbed of patriotism. But as soon as an non-southern political coalition manages to win an election—as we saw in 1860 and in 2008—then suddenly the symbols of national authority become symbols of tyranny and the constitution is construed as granting conservative areas all kinds of alleged abilities to opt out of national political decisions.
And then the rest of the country is supposed to honor this as authentic Americana. Count me out.