When ad-dajjal shows, he is the false messiah whilst on earth, the false deity with the word on his forehead stating disbeliever, which only believers will recognize that mark, he will present two options to you as mentioned before.
People on the earth think they work hard, what, even if it is in evil and corruption?
The choice will arise whether you take his hell or paradise, bare in mind this will be the time of deprivation, to add to the importance of this situation.
The hell presented will be paradise and his paradise is hell.
With people looking and seeking paradise on earth, which one do you think they would choose?