It's a big motivation to them on the rest of the matches, because it shows that they are capable of trashing any team if they're determined. Milan is picking form gradually after the sack of Fonseca, and I believe their new coach will lead the coach to a greater height. We might see more surprises from Milan as the season goes farther. I just hope they can struggle their way to finish on top on the table.
To finish at the top of the Serie A standings this season is still very difficult for Milan to achieve in the current conditions because Milan is far behind several teams in the top four of the standings, so it would be more logical for Milan to target the top four if Milan already has a new strategy and tactics through their current coach. Because in the remaining seasons that continue to run, it will not always be easy for Milan to compete in every match even though Milan has found a new performance that was lost when still coached by Fonseca.