They look classy :-)
Don't put the coffee grinders down. they are just different and have their place in life. They cannot help their preference for coffee.
Ah, no. If you just want crushed stuff with a coffee-type flavour, a blender is fine. But the best (burr) grinders have a particular quality of grind that releases the aroma and flavour of quality beans.
So they can get you to buy two appliances
It doesn't do it as well. Takes much longer and the grounds are rarely as fine.