you will find many shady and questionable characters in some old threads like:
https://bitcointalk.org/index.php?topic=103623https://bitcointalk.org/index.php?topic=91252.0I just read those today, after an old timer pointed them out to me. Surely there are more threads like those.
You can also find there some people who demonstrated rather very good judgement. This forum has lots of data for historians. I wish someone made sure that all the older posts are preserved for posterity.