To answer your question though: No there is nothing valid they bring to the table that qualifies as a scam. Just angry butt hurt trolls who can't stand the fact that all their idiotic "predictions" and false claims turned out to be lies and they are exposed for what they are. So they try to flood the threads and forum with more junk in hopes that people will forget.
Respectfully, you've been just as guilty of that. It's been a very eye opening thread, to say the least.
I have no dog in this fight, just wish there could be some sort of dialogue..."hey, this is what you've done wrong, and here is the evidence" and counters of "We haven't been perfect, and here's how we're working to improve."
Name calling doesn't restore BTC or help reputations.
You can distill it down to this:
BFL knowingly made fraudulent representations about the performance and delivery of their ASIC hardware to generate sales. Fraudulent representations were continuously and repeatedly made by Josh to keep the flow of order money coming in until the company could cure their default and actually ship hardware. Delivery actually occurred more than a year after the original promise dates if some reports are true.
Josh in particular would regularly promise shipments would begin in 2 weeks when it was definitely known to be false as silicon fabrication schedules would make his statements impossible.
Josh, as an early adopter of Bitcoin should be enormously wealthy, and a very happy camper. Instead he is filled with rage because essentially everyone in this community considers him to be lower than dogshit.
Personally I think someone who made a large investment in BFL could make a compelling case for damages resulting from detrimental reliance upon BFL's public statements. But I was never stupid enough to spend a dime with them, so I don't particularly care beyond the entertainment value of the whole soap opera.