It doesn't seem to have affected teams that promoted from DII to DI, they still recieved 1k+ increases in STH's from winning their league/promoting. If it's a bug, it's inconsistent and only teams from the top divisions appear to have been afflicted.
If there is no more promotion-level increases in STH for DI teams, then the prior winners not only received a nice competitive advantage in the season that they won, they also continue to have more STH's today.
"Well, no ones gonna top that." - http://tinyurl.com/noigttt