Yes that is true that Antonio Conte is popular for his style and reliance on specific players like Romelu Lukaku. And his success in winning titles proves his methods can work with he uses main striker or more flexible attack. His teams do not always depend on one player for goals. Instead of this they are designed so that goals can come from many different positions making team harder to defend. And some teams have struggled without consistent goal scorer like Arsenal and Chelsea having top forward alongside other attacking threats gives team more options and depth to win in different situations.
I think the importance of the coach is the one thing which can't be neglected or something on which never to compromise in the way of the team's success. Every coach has his own style or strategies by following them they help the team to be in a better position. And Antonio Conte is really known for his unique style in fact stubborn style with the specific players feeling reliable with them. Antonio Conte really seems very reliable but the thing which made him even more authentic is his strategies by following them they chase the new titles. But i think there are multiple things which almost help the other coaches to be more conscious of that. Because keeping in mind all the possibilities in the field is negative or positive and then making strategies that will really work in the favour of the team.