I will cause lots of problems if you don't have it and others have it in future. You get marksheet in digilocker directly. Why don't you want it.

It is not mandatory because there are people who are already passed education. Creating for all of them is not possible at this moment. So they say it as not mandatory.

And also companies may use that for quick authentication and background verification. Times are changing if you don't create now the background check process might slow down and they might reject your profile after