Psst. You can use Bitcoin for whatever purpose you may see fit. You want to use it as an investment? A payment currency? A way of having real ownership over your money? A way of hiding your wealth from the government? You may even use it to buy those anime waifu pillows or Belle Delphine's bath water and I don't care one bit. Because that's the point! You have complete freedom with Bitcoin, and you don't need to care what people think!