You still have to hike UP to base camp @ 17598 feet.
The airport at Kathmandu is 4593 so, they do start fairly high up to start.
Most people do not handle the “death zone” without a lot of successful hikes above 15m’.
It is an incredible accomplishment for any human being just to survive being over 20m’ in elevation.
Let her try the north face of the Eiger if she really wants a challenge.
It is an incredible accomplishment, again, I don't want to detract from that.