This is it. Buy used Dell and HP hardware with 32 GB of RAM and swap the pcie ssd for 4 TB.

No, this is not it. It only worked when there were a small number of buyers for used hardware, who were largely enthusiasts. The moment it becomes mainstream you're going to face the same scarcity in the used/refurbished market as well.

There are lots of such computers to be repurposed. It'll relieve price pressure and avoid e-waste.

Exclusively using a ever dwindling stock of old hardware is not really a practical solution to preserving hardware rights in the long term

The future is ragged shoeless and grimy humans fighting over the last few 1990's pocket calculators.