As they explained, and as I have explained, they do not believe in taking things seriously, it is against their nature to see the world as anything other than fun. Boredom is a state that they are compelled to correct.
They sought to fix a situation that they could not stand, and it's true that they didn't take the feelings of others into consideration. But since you have done the same in your time here, Tieria Erde, I would not have assumed you would be so sensitive about it.