To also be fair, missing Koenig, not having Priester thus far, and having a sort of shell of Woodruff to start the year, plus seeing one of their other primary late inning leftys in Zerba blow out his elbow (likely another WBC casualty) on top of aforementioned issues with Chourio, Vaughn, and Yelich more than equal any injuries the Cubs have sustained thus far.
Cade Horton's injury could be seen 10 miles away coming into this year after how much he pitched for the Cubs last season compared to prior years. Same song and dance for Steele tearing his elbow early last season after being ridden to hard in 2024.
To me, the reason the Brewers are better than the Cubs despite those long winning streaks in the W/L column is depth. The Brewers, despite the low payroll compared to the Northsiders, have an unbelievable amount of depth in their organization. The Cubs are taking an all hands on deck approach to their pitching staff after losing Horton and Steele having a setback - meanwhile the Brewers have also missed two of their 5 perceived opening day rotation options and still have the luxury of shuttling Crow and Gasser between AAA and Milwaukee to give their other young starters an extra day here and there to manage their workload so they're not as burned out down the stretch.