The point in buying it over the air remains: 15", retina, etc.
This is not something to be mad about. If you buy the maxed out 16GB, well, it's maxed out anyway.
If you buy the 8Gb, it's a compromise you make. You'll live with the 8GB, or sell the laptop to upgrade. It's worth the trade-off (small size, etc.)
The point in buying it over the air remains: 15", retina, etc.
This is not something to be mad about. If you buy the maxed out 16GB, well, it's maxed out anyway.
If you buy the 8Gb, it's a compromise you make. You'll live with the 8GB, or sell the laptop to upgrade. It's worth the trade-off (small size, etc.)