The Judge comparison is just illustrating a point. Judge took a massive step forward at age 25. There's no way you could have projected that going into last season. Projecting Teoscar is not easy because he's still a relatively young player and projecting is really difficult, especially when your talking about a player who physically is more gifted than most. He could be a league average or worse hitter, but he could also be 10% or 20% + better than league average player. Judge took a leap that made him an MVP candidate.
No one is suggesting that will be the case with Teoscar, but limiting his potential upside based off minor league stats doesn't always work with young players that can have material growth that makes those minor league stats immaterial. His minor league stats were far from terrible, and his major league stats may end up being just as good or better when you would normal expect them to take a dip.