Oh...ooooh. 7 years of engineering could solve that problem. And swing how well apple Handel's the magsave connector, there could have happened some cross pollination with accessory makers ...
(I know magsafe is not using elektromagnets. I still haven't figured out how much power they use)
Ok, found an example, an elektromagnet that has 1kg as a max limit, and power consumption of 400mA at 5v. That's about an hour with the batteries of the joy cons.
Now one can argue switch 2 won't be more then 500g, and you have 2 to hold, so they don't need that much strength.
3 problems arise: picking up the switch on one joy con, swaying the switch with to much force (since the 1kg is with gravity, 9.8m/s, so if the switch is moved faster in any direction proportionally the weight the magnet can hold reduces), and...what if the power is out? Battery dies, joy cons just fall of?
What I do think:
If they chose magnets, they'll chose permanent magnets and use a mechanical mechanism to "deactivate" them, for example:
Can a permanent magnet be turned off? How to demagnetize it? Get answers for these and learn about a new type of permanent electromagnets.
www.hvrmagnet.com
Or they just have the magnets be always active. I actually don't know if it would be a problem or interfere with something
Am I overthinking the electromagnet part?