Are the scratches visible and a distraction when you are playing a game? Or are they a serious annoyance?

Where are the scratches in relation to the space between the flippers?

Are the scratches visible to the eye when you are standing idly in front of the pin?
or
Are you leaning closer in to have a more detailed look?

Is it anti-reflective anti-glare glass?

If you have to pay to fix it, how much would you be willing to spend? Try to quantify the "unquantifiable hassle factor" in your equation, also.

Is a new player to this pin going to notice these scratches? What about a possible buyer, sometime in the future?

You will find your solution somewhere in this group of questions.