With this model, people have to consider what they will say more intently as it has a real cost both here and now as well as in the future (Bitcoin price rise meaning that post cost more). This dynamic increases the value of the information available.
That is not accurate. Cost of post is proportional to the data being submitted onto the chain (broadcast to the network) with a tiny revenue added for the twetch team. Think of it this way, it's "2 cents for your 2 cents" - @931
$I speak and end to their entirety! Their system, their friends, theri cronies, their entire being shall from henceforth render not fruit again. Their end is nigh! - Mark 11:12-25