The self financing structure chosen by FSG is geared towards paying off the loans as quickly as possibly rather than actually providing additional funds to the team in the short to medium term, great once they're paid off but just helping FSG with asset growth until then as they're effectively prioritising loan repayments over midfielders.
And was Kirkby paid for from loans, all the talk of the time was that it would come from revenue as it wasn't income generating and is also why they dithered over the Anfield Road stand as they didn't know if it would repay itself quickly enough.