"At what point does a tactical EDC light become large enough to be a strategic one instead?"
The Acebeam E75 is a large high-power tactical EDC light, powered by a 21700 battery and with an output of up to 4500 lm.
"Beautiful optic. So, when's the SC29 Pro?"
The Sofirn SC29 is an EDC sized 21700 light rated at 3000 lm, with an XHP50.2 behind a unique TIR optic.