There is a difference between knowing that an infra component will work as intended and how the choice of that component will impact the application.
Consider storage... is it local SSD storage or an object bucket... is it used as a scratch space, caching, or for blob storage
To add to GP, not only will bad or messy architecture arise, but I've seen serious bills occur because devs make a decision to use something without understanding the impact. Architected a different way would have saved the company more than the cost of one FTE
A counter point is that being a professional software developer is more than shipping features, you have to ship something that is profitable in the long run, which requires you have a broader perspective than your desire for a narrow focus.
