Spot on. The Iraqi Resistance Coordination Commission's wording in its latest statement issued today on US "combat troops" withdrawal was carefully ambiguously worded to provide the groups the leeway to (de-) escalate vs. US without rhetorical commitment to either tactic. 
https://twitter.com/FerasKilaniBBC/status/1420439738100731911
The IRCC commits to "readiness" to escalate against the US and this is different from commiting to "escalation" as an ultimate strategy and end to itself.
But a group like KSS, a key member of the IRCC, make it clear that their decision is "escalation" rather than mere "readiness". Its commander Abu Ala says: "The resistance's operations continue till the occupier is forced to withdraw in a servile way".
Also, HaN, another key resistance faction part of the IRCC, signals continuation in anti-US action rather than a "wait and see" tactic. Its commander Akram al-Kabi says: "And our position remains intact and our resistance till complete liberation..."
After AAH, HaN, KSS, Iran's top-tier ally, KH, issues a statement following the yesterday's IRCC statement commenting on IQ-US dialogue: KH statement is quite akin to the IRCC's in its careful wording that centers on "readiness" to escalate if the US doesn't withdraw.
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