How does a realm provide Lordships for its nobility if it only has a small number of regions, though? Makes politics a bitch when power concentrates in a select few hands. *cough Sirion cough*
Um...what?
Why do you think a realm should be able to provide Lordships for all, or even a majority, of its nobility?
Lordships have never, ever, been intended to be something that most characters in the game get. The game was, broadly speaking, designed with the assumption that any given region would have
at least 1-2 knights in addition to the lord (on average).
Lordship shouldn't be a primary way of motivating or rewarding knights, unless you have massive turnover (and then that's a separate problem for you).
