AITA for getting a waitress terminated?

I’ve been staying at kalahari resorts and me and my large family of 19 have very trying dietary restrictions. With this being said we have ordered the same meals for dinner the past 5 nights. ( each meal averages 30-70$) each night the bill was 800$ plus 20% grat. (200$)

Well the last night, last night I was in the restroom when my wife payed the bill, she noticed there was 20 entrees ordered on the bill, she just notices small things. She asked the waitress about it, we’ve had the same one all week, very kind waitress. She took it right off, accounting it to be a mistake. When we got back to the room, my wife went to check the other receipts because if we order the same stuff it should be the same price. She discovered there had been an extra entree added to each of our 5 other bills.

I went back down to the restaurant and asked the waitress to get a manager and she asked if there was something she could help me with. I explained to her what the issue was and she was stunned. She started crying, trying to user me out of the front of the restaurant telling me she will give me cash to cover it. She brings food home to her kids and since we were the last table each night with many people she just added her kids food to our bill each night. I allowed her to give me the cash and went back to the room. I told my wife what happened and she got angry immediately left the room. She went to the restaurant to speak with a manager & the girl was let go from what they assured my wife and also gave her a discount on our room. I’m torn idk if my wife did the right thing, i did the right thing by silently letting it go after getting restitution. I feel terrible.