In other words, conservative jurisprudence leaves much more leeway to the legislatures than left-wing jurisprudence, which appoints judges as elite, roving super-legislators who can impose their values regardless of the legislature's decision and regardless of what the Constitution actually says.
This author is a complete idiot. Scalia and Thomas believe in deferring to Democracy instead of an oligarchical activist court when answering difficult moral questions— I guess this means that the democrats are against democracy.