A thick layer of interfacial intermetallics is usually considered detrimental due to its commonly low fracture toughness and other sub-par mechanical properties.
Latter day researchers are inclined to think that their love indeed was a truly platonic affair, but violently passionate, frustrating and utterly detrimental for both.
Although the ideal environmental home or office structure is often envisioned as an isolated place, this kind of placement is usually detrimental to the environment.