>>>> Many interviewers fail to provide enough context and that leaves the interpretation of the prompt too wide open.

yes but this not a defect as youre viewing it.

in real world at amazon, your job to deal with ambiguity. the hand holding phase where youre given or told exactly what to do is maybe 1-2 year for college level hire. you work with ambiguity or you move out.

if you do not want ambiguity challenge then amazon not best fit for you. its not for everyone and amazon certainly has big problems in its culture. not defending any of it but saying to you what it is.