They are reflective of the lack of confidence in the merit of the arguments themselves. One expects more from Web sites run by large political organizations than one might from a site created by a single political partisan. The upcoming political season will give ample opportunity for regression from high-level of discourse at the Republican web site. It will be a test for Republicans. We know that the Democrats, by evidence of their own Web page, are no longer seriously engaged in political debate.
Web pages are dynamic entities.
We will see. Perhaps the Democrats will find their voice and not feel the need to substitute wisecracking for political argumentation. In any case, the nature of the Republican and Democratic sites is at least one measure of the health of the political parties.