Responses
You summed it up so well, dude wants the spotlight for himself
Yeah, he purposely made his inexperienced younger brother do presentation at an important company meeting out of the blue and then pointed out the mistakes so harshly, probably to show how 'incompetence' Jaeyi is to the board of directors
It's his brother's first appearance and I already hate his guts. From the looks of it, he robbed jaeyi of a lot of opportunities to feel superior and constantly did things to publicly embarrass jaeyi and label him as the incompetent younger brother