As kenobi_65 notes, this charge was dropped precisely because it didn’t fit the circumstances of Floyd’s death. And, in fact, many criminal justice folks had been saying, all along, that a third-degree murder charge was inappropriate in this case, and that a second-degree charge was the correct one. I posted about this way back at the end of May, when the charges were first filed against Chauvin, linking to a Boston Globe op-ed on the subject by two respected criminal lawyers.
But, maybe just as importantly for this thread, what does the decision of a state judge, in a state case, have to do with the clusterfuck that is the Trump administration?