Why? Because there are so much more technologies that are safer, more reliable than BTC is or any other network of cryptocurrency. :]
Sounds like you are doing the typical "Buy High and Sell Low" technique and just can't figure out why you aren't making any money. We LOVE people like you!
They do this all the time just to get attention and wishing someone would listen and believe to what they are saying, a typical FUD spreader whos job is to put negative point of view into bitcoin.