it's a "thing" ... i don't know why either, some currencies do, others dont

read it here :: https://hackernoon.com/state-of-cryptocurrencies-summer-2018-932016549375

some have a set amount maximum, others set their "inflation rate" manually ... with steemit the actual currency is steem i suppose and they decided to set the sbd to $1 for whatever reason billionnaires think thats good, and maybe now they want it because "they said so at the start" regardless the impact on the lower lifeforms here. I think this gets a lot of stale accounts or accounts that dont last more than one or two months before they either quit or go to re-steeming or try these little schemes

but who am i to dare to think ?