You can't compare the two at all.
The tiger ace was a free super tank. Before the tiger ace could hit the field, the ostheer player had equal resources as the enemy and all the tools he needed to build an army that could face any thread. After the tiger ace hit the field his army got such a massive boost for 0 resources that he could just face-roll the enemy. The allies only stood a chance if they were already far ahead before the TA hit the field, if they were slightly ahead, even, or god forbid slightly behind, it was game over instantly.
With the brits it's completely different. Brits don't get a complete early game army if they go for bofors. Their AT options are extremely limited making them very vulnerable to light vehicle play. If you play aggressively enough the enemy won't even be able to set it up. If they do manage to somehow get a bofors up, you are not even at a disadvantage. A bofors is of no immediate danger and will not wreck your face instantly and you have plenty of time to transition into the counter: teching up to panthers. Brits have no follow up tanks that are too much for axis nondoctrinal tanks to handle; unlike USF where you had to use very vulnerable Jacksons that had to fight a 50 range, self spotting, blitzing, target-weak-point-using tiger ace IN ADDITION to facing the other tanks made by the ostheer player because, again, the tiger ace was free.
Elite troops was even banned from some tournaments because of how OP it was. British emplacement play got completely trashed last ESL, even with the emplacement buffing commander. This should probably tell you something about how the two cannot be compared.
You misunderstood, im not comparing between them.
I am pointing out the similiarities between the suggested counters: vs ace, win before it hits the field.
As usf, win before 15 minutes (vs any axis strat).
Vs bofors, beat brit with light vehicle's before he gets one.
I could as easily pointed out to something as fighting 2 tigers at once, or JT and KT from the same player.
The point i made was that suggesting something akin to beat the the player before minute X or unit(s) Y is build is not a valid defence in any way for the current situation.