Circle Jerking by gang members closing ranks aside, Investigators who merit other Investigators research are giving Campaign Managers (and anyone else that requires verification of the information) an assurance that the research is sound not just that two or more UID's are Alts, but if the evidence is uncovered, we also report that they have scamed or are in breach of the terms of campaigns that participants have signed up for.
Ordinarily I would also merit their work, however I read once that the OP of a thread shouldn't necessarily merit posts as it might be seen as in some way "buying" comments.
Merit dumping sounds lazy.
... So does trying to justify it ...