General public (especially the millennials) have better knowledge and insights about good design and it has become much more democratic. The problem is that millennials just don't have as much money to spend on furniture, let alone a space to put them in. Ikea's Delaktig line is definitely a step in the right direction, but it still can't provide the level of freedom that "Ikea Hack" does.
I believe the answer lies in a system that provides the basic structure, which lets the individuals design and build on top of it. This way, you can achieve designs that are more unique, multi-functional, and affordable.