I think BCCI does utilize the IPL well enough to find some young talents and later develop them to be a world-class player. And if you think about other cricket tournaments like BPL for PCL, I don't think I can say the same. I mean just look at Bumrah and Pandya. They were not the same before. But India has taken the opportunity to nurture them and make them better players.
Before IPL, India must have been used domestic matches and tournaments to find out the new talents still IPL might have simplified their job, I agree but nothing new in terms of identifying a new talent because of IPL; it has been happening for years. Same way, we cannot say BPL or PCL or any other tournaments are not doing the same. If authorities who responsible on identifying new talent are corrupted then no tournament will help right talented people and IPL cannot be an exception. IPL is big in terms of revenue hence it is setting examples and milestones for other countries to follow.