That’s interesting. I fly IAE for over 10 years and I have no clue about EPR value. Lol. I will have a look on my next flight. I’m 90% of the time landing A/tHR off on NEO and CEO ( with EPR) I only use the N1 and speed trend for reference. It’s always around 45/50% on all A320/321. And in the cruise above FL300 pitch 2 degrees N1 80 % you will always be above GD and below VMAX. The only time I used EPR is in cruise with ATHR off to match the thrust on both engines since it’s supposed to give a more accurate thrust value than N1.
I did not fly twin pistons for a while but I remember cutting the power too early was much less forgiving than A320.. But like pizza express says, as long as you flare at the right time, cutting the power during flare like any plane should work just fine. Only practise on type you will find what is more appropriate. On Airbus I do exactly as per fcom and it works like a charm. 30 feet RA I flare and cut the power. But in reality they behave slightly differently: on A320 with IAE, you could cut the power at 100 feet and still not worry about the energy; the idle thrust is quite high and I believe since the engines are much smaller they create less parasite drag. Do that on a CFM or NEO especially with flaps full … It might be another story…