I spent some time reading about those older coin projects and I can see why people keep bringing up the same names. During that period there were many platforms promising returns based on trading or internal activity, and not everyone understood how those systems worked. When prices dropped or projects stopped operating, the first reaction was usually to assume something dishonest happened. That led to a lot of posts that mixed real concerns with personal opinions.
In the case of Carlos Oestby, the reason his name still comes up is probably because he was involved in several ventures during that exact time. Even if each project had different circumstances, the internet tends to group everything together once the same person is mentioned more than once. After that, every new article repeats the earlier ones, and it starts to look like a long chain of problems even if the details are not clear.
I think the best approach is to focus on what can actually be verified from public records and not rely only on comments or reviews. Old forum posts can be useful for context, but they should not be treated as proof by themselves. Threads like this are helpful as long as we keep the discussion careful and avoid jumping to conclusions.