Macbook condensation problem due to factory issue

I bought a Macbook 12" (512GB PCIe-based onboard flash storage, 1.2GHz dual-core Intel Core m5 processor Turbo Boost up to 2.7GHz, 8GB memory, Intel HD Graphics 515) last October. It worked perfectly until two weeks ago, when it suddenly wouldn't turn on anymore.

I immediately contacted Apple Support and they told me to try two different procedures, but neither of them worked. At that point I also noticed that the device was forming condensation all over the display. Then I finally got a meeting in one of the stores in my city and they were able to turn it on just for a few seconds. Moreover, we noticed that the condensation spread also to the keyboard where it formed little "solid bubbles" that we could remove only by scratching them.

So Apple took my Macbook for further examinations. After two days I received a call from an operator who told me that according to the diagnosis it seemed like a liquid was dropped all over the device, while I'm 100% percent sure that this didn't happen. At this point I was suggested to buy a completely NEW Macbook because the cost of the fixing would have been just the same.

I went back to the Apple Store to get back my Macbook, hoping for a free replacement of the device. However, this didn't happen at all. I was offered to buy again the product, but how can I get the same product that has already given me problems?

Now I'm writing this to ask if others of you have had this same problem. If you have, please reply here with your experience so we can show Apple that this is just a factory issue.