YOU SAID:
When one person becomes as stupid as a human could possibly be in the world, that will be the end of humanity.
INTO JAPANESE
一人の人間が人間が世界にいる可能性があるほど愚かになると、それは人類の終わりになります。
BACK INTO ENGLISH
When one person becomes so stupid that a person can be in the world, it is the end of mankind.
INTO JAPANESE
人が世界にいるほど愚かになると、それは人類の終わりです。
BACK INTO ENGLISH
If you become so stupid that you are in the world, it is the end of mankind.
INTO JAPANESE
あなたが世界にいるほど愚かになったら、それは人類の終わりです。
BACK INTO ENGLISH
If you become so stupid that you are in the world, it is the end of mankind.
That didn't even make that much sense in English.