You forgot to mention that unlike my 2011 MBP you can't open the thing up anymore whereas I'm still free to put 16 GB of Ram and an SSD into a 6 year old machin

You forgot to mention that unlike my 2011 MBP you can't open the thing up anymore whereas I'm still free to put 16 GB of Ram and an SSD into a 6 year old machine and make it fly again.