Not Manbunpig himself, he is a fat gay retard, but these spoiled upper class kids as a group have caused a lot of damage to western society since at least the 50s.
Look at modern academia or better yet, a staple of American culture, the comicbook industry. Not to mention modern art and architecture. Everything has turned ugly or plain in the case of architecture or downright vile in case of modern art. Communist or pro communist has been extremely dominant all over academia except for economics and the truly hard sciences.
Modern education has produced a lazy, totalitarianism abiding and dependent generation. This does not factor in the massive amount of poverty based immigration from hostile cultures facilitated and demanded by the modern left.
They have already destroyed high culture and demographics in almost every western country. They might not have the individual impact of the communists of yore, but as a group they are absolutely deadly to any society. Their ideas may be retarded and unscientific, but hell do they pack a punch!
Manbunpig is only dangerous because he can infect other impressionable, fat, gay and retarded sons of the upper class to become like him.