All the drama seems to be around the battery of the new Retina MBP (since you can replace the SSD yourself), but what is the problem with the battery, really?
The problem is it's glued in place, you CANNOT remove it, I would imagine the only way it's done is by a special machine that breaks the battery and the casing or one or the other, think about it, Apple will charge $199 plus tax and take 3 to 4 hours to replace it in store, 3 to 4 day's if you send it away, that's because they will essentially strip your machine down, and rebuild it into a new top cover with new battery glued in place.
It's not very good IMO, but obviously Apple HAS to by law ensure it does recycle the battery's and it's aluminium.
I don't class the computer as a throw away as no doubt the average machine will last for 4 years or so before needing a new battery, I doubt it's any less environmentally friendly at the end of the day, and you do have a solution to replacing the battery's.
But people have been so used to changing their own laptop battery's, it's a shame Apple don't want you to. But that's why it has dropped the EPEAT certification as it declares you can take the machine apart and replace items easily.
As for the Retina's screen being glued into the top cover argument, that's a moot point as you would alway's change the whole top cover anyway, far less hassle, then someone else can worry about breaking it down for recycling.
However, the other issue with this is the markets Apple has just closed off to itself, which are vast and large from what I can gather. It's a very strange and backward business decision to make, just for a thinner laptop design.