Is ISIS a reason to abolish cash?

Destroying liberty seems to be the obviously wrong answer to the US-instigated chaos in the Middle East.  The right, and only effective, answer would be to immediately withdraw troops, weapons, and tax dollars and stop worrying about every hiccup in relations between Third World dictators and their detractors.  It would save billions of dollars, thousands of lives, and realistically reduce terrorism, since it’s the policy of never-ending drone-bombing of Middle Eastern villages, payoffs to their corrupt leaders, and weapons deals with head-chopping murderers creates the terrorism.  That is far too inconvenient for the Political Class, who would prefer to take this opportunity to ban cash.

A relevant sentence from the linked article: “Not even the worst dictatorships in history eliminated money outright.”