I always found the C208 was better to taxi around with the condition lever somewhere between low and high idle (around 60% Ng). This meant you could taxi the aircraft without the need to accelerate the engine, causing spikes in ITT. All we did was pull back into beta to take away the thrust.
When running the aircon, the C208 manual says to go to high idle so you don't exceed 685 deg C (the low idle ITT limit).
On the Kingair, was a similiar situation, idled a bit higher so it would roll, then used beta to control speed, used high idle in hot conditions, so idle ITT was not exceeded.
But at the end of the day, it comes down to the operator