Here's my test with my Chelsea save in 2030 (Best team in the world).
Won the League, with very good defense but with an average attack ... Other tactics made me score between 120 and 145 goals in the league ... This tactic "only" 103 goals.
The tactic scored a lot of goals against lower teams, but did not always the job against big teams ...
I've Won Premier League, and FA Cup ... But been knocked out in Carabao Cup and in 1st Leg of Champion's League (i've won champion's the previous 4 years) ...
So i think it's a good solid tactic but not strong enough to beat everything.
Good job by the way