By your logic, any purchase is ignorant. According to what you're saying, it would make me ignorant to; -Buy food at a restaurant. I have no clue if my food is going to look just like the picture on the menu. -Buy a movie that I haven't seen before. -Buy literally ANY video game without playing a demo or participating in an Alpha/Beta. -Buy an album containing songs I've never heard before. -Buy a candy bar that I've never tried before. -Buy a drink that I've never tasted before. -Buy a new Alternator/Timing Belt/etc. for my car. (Not everyone knows what they do). -Buy a new cellphone (Who's to say I know everything about the model of phone I'm buying). -Buy a new gaming Headset/Headphones (Who's to say I know if the quality is going to good or not). And many, many more. So, by your logic, literally every person who has ever purchased anything new is ignorant.