The Team Sky chap, Brailsford, identified that they were better off investing their money in coaches rather than one hero riders, as the small improvement was spread across the whole team rather than having one star player to carry the team. It makes sense too, an extra £1m/season on coaches should make a tiny improvement to 20-30 players whereas an extra squad player (i.e. a 20k/week player) may not even play.
Hopefully, these appointments are an indication that villa will be following the same approach. The fitness guy in particular has an impressive CV.