"Another argument for multiple services seems to be some implied DOS resistance. But of course exactly the opposite is true: if you split your message and deliv

"Another argument for multiple services seems to be some implied DOS resistance. But of course exactly the opposite is true: if you split your message and deliver it via multiple channels, any one of those channels can be taken offline and thus thwart message delivery." Let's remember Shamir's scheme also allows recovery of the message as long as the threshold of minimum amount of shares is exceeded. But otherwise I agree with your thoughtful assessment.