No, I don't think it vindicates Trump. I saw no reason for the memo to be "classified" excerpt to make it appear important. Just a reminder that the art of politics in manipulating peoples' opinions. Tell people what you want them to think.
Are there people in the FBI that don't like Trump? Probably a majority of them.
Were the Democrats behind Steele's report? They paid for it. Trump did not pay for the Russian's actions in the election. Now that would be collusion. Clinton is more guilty of collusion with Steele.
What would it take to get rid of both the Republicans and Democrats? An Independent party not Socialist or Communist.