Erm...
Yes, no and not necessarily!
Let's look at that red card incident from a different perspective. Would it have been good or bad fortune for that foul not to have been committed, no red card given and for Toney to be clear 1 on 1 with the keeper and scores, levelling the score up? Levelling the scores up at that point in the game would (in my opinion) have had just as much impact on the game as the red card did. We will never know. If he doesn't score, of course the red card gives us an advantage for the rest of the game.
However, I don't think Everton going down to 10 men gave us as much of an advantage as a lot of people are making out. Being in the lead they were always (at some point) going to go into defensive mode, maintain defensive shape and defend that lead. That red card simply meant they did it earlier rather than later because they were never going to maintain the kind of intensity they were showing in the first 10 or 15 minutes over the course of 90.
It was only a matter of time before we settled down, regained our compsure, started dominating posession, being patient and pushing and probing their defence for openings. The second half pretty much panned out in exactly the way I expected it to. Did the red card help in that? Of course it did, but it would have happened anyway red card or not.
I predicted we would score 3 goals before the game, I just didn't think they would score 2.