The risk of a team that tightens up their defense too much is that they find it difficult to score goals, I think that is realistic when Juventus play quite cautiously and they are very focused on their defense so they don't dare to go out or take risks to do many attacks to be able to score goals.
The draw against AC Milan was not so surprising, Juventus have played like that several times against strong Serie A teams and I think a team like Juventus is quite boring to watch.
The draw experienced by AC Milan and Juventus also did not make Juventus in a worse position because Juventus can still stay in the top six in the current Serie A standings, but Juventus and AC Milan will both find it difficult to catch up with other teams like Napoli if Napoli can win when they host AS Roma in today's match. Now the competition is still quite fierce for the top five teams in Serie A because the level of point difference is still quite close, especially for Atalanta and Inter Milan who have both been able to win a lot in this week's matches.