You just said that you won the game... so evidently the strat doesn't in fact work
I’ve gotten to 74 USF in 1s by just blobbing 3 rifles, a ranger, a Cpt, a Rear Echelon and a Major, all with BARs, into the enemy cutoff/retreat path and deleting everything. The strat works perfectly, especially with cover to cover and M4 into CalliOP.