Lumen and lux measurements, why cant we all try to be on the same page?

Ansi FL1 “standard”, extreme example chart.
if one take it on 30 seconds, other using 1 minute and another one on 120 seconds, what is the number for this one ?
It’s from Chloe’s review for Olight ST25 , about same pattern with Bigmac_79’s

Imo, the best measurement should be like this