My father, the king, gave me a small loan of a million gold. Now I’m gonna use my profits from Brightwood Tower to make Albion great again.

No it definitely had an impact on the game. You had to either contribute enough of your personal wealth, or choose all the evil choices as regent, otherwise most of the citizens would die at the end. If you didn’t do it right, it left the world basically devoid of NPCs. For a series that made such a big deal about choice, the end of Fable III only had one right answer.