Why did many monsters laugh when the Monkey King signed up?

The reasons are as follows:

First, monsters are arrogant. They are unruly and even arrogant. They think that they are happy and carefree. From their previous lives, they think that no one can be stronger than them, and they even seek defeat alone. Moreover, they also think that they will not meet those particularly powerful opponents in their own living sites. They also classify the Monkey King as one of them.

Second, heroes don't mention their bravery in those days. This is the idea of monsters. Even if there is something that caused havoc in Heaven, it's a thing of the past. Hundreds of years ago, the Monkey King's deterrent power declined long ago.

the third is identity. Identity means a person's origin, which is very important. the Monkey King is a little monkey jumping out of a crevice, a helpless disciple of Tang Priest, or a bi mawen from heaven hundreds of years ago ... These three identities all show the Monkey King's humble status. You know, many monsters ran out from the celestial immortals, and their masters at that time were more noble than the Monkey King, so their origins determined their attitude towards the Monkey King.

the fourth is the ending and essence. The end of the Monkey King's havoc in the Heavenly Palace was that it messed up the heaven. However, the end result was that the Tathagata Buddha suppressed Wuzhishan for 5 years, which means that it failed in the end. This end should leave most courage to other monsters, but it was useless, and there was no tangible achievement. Therefore, in the eyes of those monsters, including immortals, it was nothing at all. This ending also makes them think that this is just a joke, a farce, and everything is gone, so what should they take seriously?

The Journey to the West is a mythical novel, and Wu Cheng'en, the author of that social life, is very imaginative. However, history still has certain constraints on him. Since he is Four Great Classical Novels, nothing should be taken seriously, just read it.