They're easier to clean. They look better. They're possibly cheaper.
You add supposedly safer as well. Since no heat is generated unless the pan is on the stove, it's safer for kids. Apparently the jury is still out on the technology since it uses electromagnetic currents:
Another Dangerous Cooking Appliance – Induction Stovetops - http://breastcancerconqueror.com/another-dangerous-cooking-a...
Health Issues with Induction Cooktops - http://www.livestrong.com/article/312052-health-issues-with-...
Is Induction Cooking Safe? - http://www.magdahavas.com/is-induction-cooking-safe/
If you want to cook, you'll have to take portable appliances onto the deck or into the basement because kitchens are solely about looking good now.
There are snarky analogies to web design in the above, BTW.