https://www.youtube.com/watch?v=Hs-rgvkRfwc
All jokes aside, it's just a matter of getting used to the accent. If you listen to people speaking in that accent you will be able to identify what they're saying quite easily. I have to admit I have the concentrate on what he was saying to understand him but he was intelligible. Hopefully the internet will keep English from deviating too much in the future but I'm sure it will. We just have to be patient with each other