No it definitely wasn't there in the beginning I don't know what this is or how did it come.Are you absolutely sure it was not there in the begin with and that you just now happened to notice it?
Usually these are manufacturing flaws. Or then there is small gap somewhere for dirt to have way in. Have you used compressed air to clean your MBP by any chance?
Hard to say what to do. Do you absolutely need Apple laptop? I mean there are plenty of better laptops for cheaper price available if you can live with Windows.
I got mine just because I wanted to own a laptop with Apple logo
Basically mine is just used as a toy that allows me to get to know MacOS system and intergrating with my other Apple gear but for everything else I use Windows machines. My old Zenbook easily beats my MBP in run time on battery, it lasts full workday on battery, MBP gets only half day, so totally unusable for any serious work anyway.
By the way, you said you have Apple Care. Doesn’t that give you possibility to deal directly with Apple and bypass those local services? I understood they can pick up and take it to their own service center abroad. Could be alternative if you don’t trust your local service. Anyway parts should come from Apple so there should not be any difference no matter where the screen is replaced. Also screen exchanging/installation is trivial job, pretty much a janitor could do it.
No I don't use compressed air either.
I am used to the Mac OS and wouldn't want to switch to windows unnecessarily. It is sad my laptop isn't even a week old and has this issue.
Yes I have apple care but in my country there is no direct apple only third party authorised service provider.
My two options are getting the screen replaced with the third party authorised centre but from my past experience every screen replaced with them (I had over 8 between 2 machines) all seemed to suffer from color issues and backlight bleed while one screen I replaced in Apple Germany at the Genius Bar was perfect.
So I can hold on to this and get the screen replaced whenever I travel to a country that has a Genius Bar.
My second option is to send this computer back to the states and get a full refund but then I will have no computer and if I buy the same Mac from my country it is 600$ more.
So I am really confused as to what to do!