Agreed. The architecture mismatch paper [1] identifies common assumptions that software can make, such as "I own the main thread of control and other modules will do my bidding", that tend to be baked-in from the start.

[1] Garlan, Allen, and Ockerbloom. Architectural Mismatch: Why Reuse Is So Hard. IEEE Software 1994. https://ics.uci.edu/~andre/ics223w2006/garlanallenockerbloom...