No need for Banning, those prices are everywhere now. Good luck OP on getting them fixed or replaced. My games will all be on the side of the house with no plumbing.

Pinball Floaty mod required!
little life preservers around legs ....

sorry to hear the bad news .... never fun dealing with insurance companies ....

I suspect that your adjuster 1) is not familiar with the current cost of pinball machines, 2) expects you to find someone who can be paid to repair the damaged cabinet sections, and 3) will not approve the cost to totally replace your damaged pins with undamaged examples of the same titles. But sorry for your misfortune and good luck getting them fixed up!

If repair is possible, I suggest that you acquire written quotes from a reputable repair company to provide to the insurance company.
If repair is not possible, you might have to prove that to be the case with written documentation to show the value of each machine.
The insurance company might want to know the age of the machines and apply depreciation, depending on how things go.
If you have receipts on the purchase of the machines, that might be helpful for documentation purposes.
Insurance companies do not mind making you do a lot of legwork.
If the machines had water intrusion, the insurance company is likely to write them off as not repairable.
Pictures of the water damage might help with that.

From experience, insurance will seek to repair before replace. You can show receipts (if available) and get quotes. Once submitted the insurance company will also get quotes and find average cost to replace or repair. It can be a long process, but worked out for me in the end.