JonnyBiscuits The CFG approach seems to be founded upon a notion of sticking to your principles, and if you continue to “do things right” you’ll eventually succeed.
In which case, I would argue that it is ultimately doomed to fail. Football as a game is constantly evolving and the game we see today is totally different to that we saw 20yrs ago, and that was totally different to the one 20yrs before that, and so on. That’s partly down to rule changes, but it’s also a result of tactical changes in an attempt to do something different and break down the current orthodoxy.
As such, the ‘CFG approach’, however that is defined, is going to have to evolve too. As much as anything, other non-CFG sides will start to adopt the same approach and the advantages are nullified cf. Moneyball…