Pitts, of course you are correct about admin costs. What your post identifies is that there are two seperate issues here and it is worth putting some space between them.
Offering a night service is not a misuse of funds, it is using the funds in the way the trustees see as their vision for the future. Period.
Big space.......
Administration is another thing, where I am with you 100%. Charities SHOULD be honest and open with their admin costs. The children's air ambulance having dance lessons from the stars of strictly come dancing at a cost of thousands made my blood boil. (If the tv documentary was correct of course). Employing family is another thing, absolutely fine if they can do the job well. If you own a business you can employ who you like and TRUST. Why not?