Saying otherwise is really just the flip side of "evolution leads to Naziism, yada yada..."
I strongly suspect the author knows that, and he knows that people who care about evidence already accept evolution. He's written this article for the people who don't think along those lines.
That evolution is a lie is pretty simple. This is the greatest country on earth simply because of the constitution and bill of rights. Your rights and my rights were declared by christians to be ordained by God - not government. However (most probably within this lifetime) all of those rights will be stripped away by the government - maybe ours or maybe a worldwide govenrment.
Now to go a step furhter evolution does pave the way for this too. The U.S. Government is the number one supporter of funding for evolutionary studies - in my humble opinion.
Furthermore this issue is truely relevant simply b/c evolutionary theory blasts christianity at the very foundation.
There are many things that you simply can not explain (might start with the links page on my profile) but truly God's Word from 1st Corinthians 3:18-21 sums it up very succinctly.
Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise. For the wisdom of this world is foolishness with God. For it is written, He taketh the wise in their own craftiness. And again, The Lord knoweth the thoughts of the wise, that they are vain. Therefore let no man glory in men.
"It should be accepted because the evidence points toward it, not because of its consequences."
Which evidence is that exactly?