This is not a new concept as far as the rotating bed goes and it has some serious drawbacks. The farther from the center the print the less accurate it becomes.
The interesting part will be G-code replacement code. Of course he doesn't give any real details about that.
When it comes to speeds the main issue with any FDM printer has always been how fast you can melt the plastic.
His layering of heat cartridges is not a bad Idea but there are already hot ends on the market that accomplish the same thing such as E3d's Volcano.
At 15 years of age I say Kudos and good luck!
But I don't see any earth shattering developments here.
Printit Industries Model 8.10 fully enclosed CoreXY, Chamber heat
3-SD3's & a Workbench all fully enclosed, RH-Slic3r Win7pro, E3D V6, Volcano & Cyclops Hot End
SSR/500W AC Heated Glass Bed, Linear bearings on SS rods. Direct Drive Y-axis, BulldogXL
Thanks to all for your contributions