Don't judge a new product on your fist impression. One you see as garbage here maybe a hit of tomorrow and you can't even order nor find anywhere. It's like buying a lottery ticket(宝くじ) You have to buy a ticket to win nut you still have a chance of winning 1: 1000000. Most important thing in business is luck. Marketing is extremely important, possibly 90% of the effort, inventing a new product is fairly easy compared to this.