Ummm . . . have you actually read the Mueller report (even after it was heavily redacted by the Trump administration)?
Here's an excerpt:
"The Russian government interfered in the 2016 presidential election in sweeping and systematic fashion. Evidence of Russian government operations began to surface in mid-2016. In June, the Democratic National Committee and its cyber response team publicly announced that Russian hackers had compromised its computer network. Releases of hacked materials—hacks that public reporting soon attributed to the Russian government—began that same month. Additional releases followed in July through the organization WikiLeaks, with further releases in October and November. In late July 2016, soon after WikiLeaks’s first release of stolen documents, a foreign government contacted the FBI about a May 2016 encounter with Trump Campaign foreign policy advisor George Papadopoulos. Papadopoulos had suggested to a representative of that foreign government that the Trump Campaign had received indications from the Russian government that it could assist the Campaign through the anonymous release of information damaging to Democratic presidential candidate Hillary Clinton. That information prompted the FBI on July 31, 2016, to open an investigation into whether individuals associated with the Trump Campaign were coordinating with the Russian government in its interference activities."
So basically, there was interference from Russia, the Trump campaign knew about the interference but because it favoured Bozo, they welcomed it.
Those are the facts.
Just because so many Republicans lied or evaded questions or simply didn't answer those questions that Mueller couldn't prove collusion by the Trump campaign doesn't mean they weren't in on the whole thing. They certainly knew it was happening and they allowed it to happen (remember the facts!). You'd have to be stupid even by Trumpanzee standards to think that the Mueller report exonerated Bozo.