Sorry I don't get it.... how is this dark humor?

Atomic weapons

1945 august 6th

crazy

Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy. Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy. Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy. Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy. Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy. Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy. Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy. Crazy? I was crazy once. They locked me in a room. A rubber room. A rubber room with rats. And rats make me crazy.

no crazy because I'm japanese lol

Ki ga kurutteru? Watashi wa katsute ki ga kurutte ita. Karera wa watashi o heya ni tojikometa. Gomu no heya. Nezumi no iru gomu no heya. Soshite nezumi wa watashi o kuruwaseru. Ki ga kurutteru? Watashi wa katsute ki ga kurutte ita. Karera wa watashi o heya ni tojikometa. Gomu no heya. Nezumi no iru gomu no heya. Soshite nezumi wa watashi o kuruwaseru. Ki ga kurutteru? Watashi wa katsute ki ga kurutte ita. Karera wa watashi o heya ni tojikometa. Gomu no heya. Nezumi no iru gomu no heya. Soshite nezumi wa watashi o kuruwaseru.

that was the best comeback ever

is it called a comeback in this context?

thanks

Right before the fallout games be like

Here comes the sun...