The video covers the history of the hard disk from the very origins, and goes over the boom cycle when there were dozens of hard disk manufacturers innovating and competing (and the established disk manufacturers combined only had single-digit market share vs startups. Now there are only 4 disk manufacturers, total). Adding a few TB every couple years is far from the innovative cycle during the “boom” the video is talking about.
The video covers the history of the hard disk from the very origins, and goes over the boom cycle when there were dozens of hard disk manufacturers innovating and competing (and the established disk manufacturers combined only had single-digit market share vs startups. Now there are only 4 disk manufacturers, total). Adding a few TB every couple years is far from the innovative cycle during the “boom” the video is talking about.