Egomania (UK TV Documentary) definition

Egomania (UK TV Documentary)

WordNet

(1) An intense and irresistible love for yourself and concern for your own needs

WiktionaryText

Excessive vanity, pride or arrogance. To be overly taken with ones own importance.

There's a lot of egomania going around, it seems everyone believes they are the most capable and important person in the room.