Since text in commit messages is free, a more accurate tag hurts noone but keeps the spirits up and encourages future work: Based-on-work-by, Investigated-by, .

Since text in commit messages is free, a more accurate tag hurts noone but keeps the spirits up and encourages future work: Based-on-work-by, Investigated-by, ... Reported-by is more of a participation medal because it can mean anything including "yo dawg, kernel crashes when I look at it wrong"