Is it too much to integrate google play services for my first finished game on Android

Hi, I’m new to this forum and I would like some advice regarding a decision.

I’ve been coding on Unity for 7+ years now, learning only with the documentation and internet resources I could find.

I’m about to release my first android game on the google store. I would like to implement a simple ranking system for a game mode.

So I followed the tutorials to set up Google Play Games service but the procedure is cumbersome!

My question is: is it worth the cost for me to continue to just have a ranking or should I instead implement a simpler home solution?
Knowing that I have the database and web development skills to do it.

I would like to have your opinion, especially from those who have already done so.

Thanks in advance !