For me it was reverse. When I was a junior I was reviewing PRs from the seniors and it couldn't have possibly been tested to work.
The seniors were super lazy and around half the PRs would have broken production.
Seniority often comes from years of work and not knowledge.
Ich hab 0 Salz drin und da beschwert sich nichts. (Hab ne Salzanlage am Hausanschluss)