It’s not possible for the OP to post in there since that thread doesn’t allow newbie to post a report until they rank up to member. They can just post the link of this thread on that investigation thread as reference for his report.
This rules was stated on the OP of the thread that you share. This topic is right to post here.
It is very right in my opinion even if there are no restrictions because the OP is not the first person to have done this without any complaints. This is a reputation section and it's open for everybody and cases may be independent, so it mustn't always be how people want it for everybody. Calling out some specific cases like this in a newly opened thread makes it better readable and attracts more readers than lumping it in one thread, so why the section when indirectly creating a subsection?
I only hope the OP can be more explanatory next time, if not for the BSC addresses, I found it difficult to understand what he was even saying. And I wonder why he used a new account to allege someone of alts. He doesn't seem to be a new member here in all sense of reasoning.