" It seems this author really wants to interpret "not 1" to suggest that if anything is "not a person" the number have to be "more than one" (justifying him declaring "hence not singular"). I disagree: KeldericKelderic 47211 gold badge44 silver badges88 bronze badges 10 You might want to provide https://tacticalrounds.com/product-tag/fostech-echo-sport-trigger-review/