It’s about the cost overrun of the Gerald Ford class carriers electromagnetic launch catapults where he demanded the switch back to steam and the naval architects laughing at him. His grudge devolved into this abstract hypothetical concept of him sitting on the catapult capacitors and getting zapped when the aircraft carrier sinks because of all its weight.
the power consumption is listed in the manual not on their website unfortunately. as for sturdiness these things are built for restaurant use and it’s where they are mostly found for the purpose of infrequent instant hot water where one usually boils a full kettle from scratch. I’ve burned through three standard electric kettle here in the US over the years and had enough.
not just a kettle but one you buy for life and that permanently keeps the water at 208 F while using only 10 Watts/h