A large portion of consumers have repeatedly stated the Chromebook is exactly what they want. It's cheap, handles basic computing needs (word processes, etc), handles online streaming, and is nearly virus proof with little to no learning curve. There is also no slow degrade of speed over time as your not installing any software. For a lot of non-techies, it's a dream come true.
Looking forward to getting a few more bucks saved up to get my wife another as she's used her old Chromebook into the ground (the monitor is literally held on with tape as it was a beta product and she's a rough user).
You may not agree, but I find it hard to believe you formed your opinion on the realities of what the common computer user wants.