What such exchanges are increasingly producing is a growing mistrust and negative feelings towards evo proponents.
If this particular exchange produces anything other than a mistrust of and negative feelings towards Mr. Schlafly in anyone, then they probably don't have very good critical thinking skills.
In the exchange Prof Lenski is very up front, and indeed his paper with the relevant information was online the whole time. This exchange is little more than an embaressment for Mr Schlafly.