I think their issue is not operating out of a theoretical framework. They think that let's them be objective, but it actually leads to defaulting to whatever the prevailing propaganda version of events was.

Undisciplined

History departments are terrible and one sided 

Bell_curve

I don't have a great feel for that, personally. However, I've certainly heard historians like Tom Woods and Thaddeus Russel bemoan the plight of their profession.

econ

Voters Love the Policies That Economists Love to Hate

SimpleStacker

Agreed. Still the most honest and rigorous among the social sciences. Not sure how it compares to history though