Because the exchange places are always more profitable. So now there are too many bad exchanges and almost no one exchanges any coins on it.
If people were smarter, there would be more legitimate exchanges coming online rather than scams. It would become pointless to try, and bitcoin would thrive.
Don't hate the game, hate the player
sWith the long existence of cryptos, there are many exchangers now build with different services offered to catch investors like. But what we really trust about exchangers are those with more transactions and movements of some great investors that will totally paid off coins in an expensive price.