If you wonder why the left has reacted so strongly to the Mueller report findings of no collusion, all you have to do is recognize that they need to continue the demonization of Trump as opposed to running on what their platform has morphed into.
Consider the following:
As political analyst Sean Trende has written:
That over the course of the past few years, Democrats and liberals have: booed the inclusion of God in their platform at the 2012 convention . . . endorsed a regulation that would allow transgendered students to use the bathroom and locker room corresponding to their identity; attempted to force small businesses to cover drugs they believe induce abortions; attempted to force nuns to provide contraceptive coverage; forced Brendan Eich to step down as chief executive officer of Mozilla due to his opposition to marriage equality; fined a small Christian bakery over $140,000 for refusing to bake a cake for a same-sex wedding; vigorously opposed a law in Indiana that would provide protections against similar regulations—despite having overwhelmingly supported similar laws when they protected Native American religious rights—and then scoured the Indiana countryside trying to find a business that would be affected by the law before settling upon a small pizza place in the middle of nowhere and harassing the owners. More recently they have embraced late term abortions.
Given the above, if you were a Demcrat running for office, wouldn’t it be easier to run on Mueller report dissatisfaction as opposed to running on a platform as I just outlined?