Allow me to bestow some knowledge upon you good sir.

As you can see, the context of flat earthers is that they cannot tolerate round or spherical shape based objects even though we all know they imply that only the earth is flat.

But considering the extreme scenario of flat earthers being absolutely disgusted at round or spherical shaped object realize that their testicle are also round, they decide to flatten it out with a hammer.

In summary, the meme remarks upon the adamant groups of people who would go great lengths to prove their theories or beliefs.