I'd corrupt the quote slightly to factor informational effects of propaganda: "a wealth of [conflicting] information creates [an apathy] of attention and a need

I'd corrupt the quote slightly to factor informational effects of propaganda: "a wealth of [conflicting] information creates [an apathy] of attention and a need to [withdraw] that attention efficiently among the overabundance of information sources that might consume it." In this way, information sources can destroy attention rather than foster efficient allocation (which is hard work).