This was all about the establishment using every (procedural) means available to ride out the storm of protest after Nov 3 and get through to the inauguration.
Then the remaining cases will be moot.
If, as Markey acknowledges, people prepared in advance for actions at the Capitol, doesn’t that exonerate Trump over the specific matter on which he’s being impeached?
After all, and notwithstanding issues of timelines etc, one cannot stoke people to commit a crime spontaneously which they have already planned and resourced themselves to commit.