And since these things don't have keyboards they're OK?
They are not all-in-one keyboard computers.
Come on, if C=USA is successful, do they deserve to have the confusion this is going to cause in the buyer market?
Yes. They licensed the Amiga name for one specific type of product. Amiga Inc. is free to license the name to other companies for other products.
Same thing with the Commodore name.
http://www.commodoregaming.com/http://www.commodorecorp.com/