I can’t comment on FLW, but the sentiment of “leaks aren’t an indication of failure” has been passed down to his succesors
“These things are complicated,” he said, “and they involved a lot of people, and you never quite know where they went wrong. A building goes together with seven billion pieces of connective tissue. The chances of it getting done ever without something colliding or some misstep are small.”
Seach on [ArchitectName]+leaks. A lot of well-known names have tried hard enough.