Nothing.
If someone want a decentralized coin, pseudonymous, high security and will never turn become a scam coin, they can choose Bitcoin.
If someone want a privacy-oriented coin and completely anonymous, they can choose Monero.
If someone wants a centralized coin and there's a chance the project turn become a scam, they can choose any coin including the coin you created e.g. MundoCoin.
Bitcoin has set a standard that will be very difficult for any promising project out there will beat.
Most of the features we would have needed we have got in Bitcoin, Then when you talk about privacy coins and coins that have speedy transactions and low fees coins such as LTC, xlm, and xrp are available. The bottom line is that we have had more than enough coins existing today, Instead of bringing more coins improvement should be done on already existing ones or projects