2. A manufactured resistance to an issue, related to astroturfing.
3. A scapegoat.
"That's a strawman issue, Cletus."
2. A debate technique used to refute an opposing view by misrepresenting the opposing side and then attribute that deliberately misrepresented view to the opponents.
The opposition party has conjured up a bogus image before proceeding to knock it down. They are using that bogus image or fallacy as a straw man for the false and scurrilous claim