Why did people start adding "in Minecraft" to statements?

[Meteor21]

I don't remember this being a thing years ago, they'd say whatever cruel thing imaginable. Now it's treated like if you make a joke it'll be taken as a threat and you'll be arrested.

 

[Deleted member 25938]

It's niche humor. You either dig it or try to crawl out of the hole.

 

[Mouthbreath]

its a 200iq move against the fbi

 

[pardocel]

I previously saw it being used on 4chan as early as 2020.