"Was" is the operative word here, the rest of the world has caught up, and those gains are no longer available. Immense tactical fluidity is now where it's at. But, you are right, he was well ahead of his time back in the day.
However, Allardyce's teams have always been tough to beat, not something that could be levelled at the current bunch. But I would suggest it's too late.
I'm torn as to whether I'd prefer Leeds or Everton to come down. Certainly, Everton would be funnier...