Why are there no European, American and/or Chinese vehicles to compare to? https://www.carpro.com/blog/almost-all-new-vehicles-have-automatic-emergency-braking

Why are there no European, American and/or Chinese vehicles to compare to? https://www.carpro.com/blog/almost-all-new-vehicles-have-automatic-emergency-braking https://www.carpro.com/blog/almost-all-new-vehicles-have-aut... Why only those three?