The only time to top teams use a 2 3 is if they have little chance of winning regardless.
Pick the top side in any league and see how often if at all they use 2 3 even with 90% of teams playing LI.
Just checked 15 games from the top team in Australia the last few season who got as high as 6 world ranking from memory and he never used 2 3 in those games. NEVER.
Check out any successful team and I think you will find the same result.