Startup Idea : 80/20 To-do finder

Find 20% of to-do which will produce 80% of outcomes 1) No one in my software development team attempts to find 20% of the requirements which will produces 80% of the results. 2) Some engineers are usually waiting proceeding tasks to be done by others where as those people are spending times more on switching projects. 3) None of the projects are getting implemented by the given deadline. Let me know your thoughts on this. Is this the correct problem or what you think:?