The article is right you know.
6 years:
Genesis '88
Game Gear '90
Sega CD '91
Sega Pico '93
32X '94
Saturn '94
+ various licensed models
6 years (reusing much of the same hardware, which is already reused PC hardware as opposed to a fully custom design):
Xbox One '13
Xbox One S/X '17
Xbox One D '19
Not to mention a lot of production processes are automated, saving more resources.
30 - 40 years ago, we didn't have recycling. Now we recycle pretty much everything and turn old things into new things.
Also imagine the resources we save by people and organizations who used to need a ton of resources to achieve their goals.
The USSR needed to upkeep an army of tens of thousands of military vehicles, tanks, planes, missiles, border fences, infantry weapons etc. to be relevant in geo politics.
All that can now be replaced by a single boi with a laptop with access to a Facebook ad account.