Of course it has, and that's why it's the number one cryprocurrency in the world 
Nothing can have no competition, because int that way nobody would buy anything. And that's marketing! This is how our world works and how it will keep working.
If something becomes popular, following this we can find the clones in a very short time span. In that case our digital currencies to are not an exception. Here too following bitcoin several other altcoins emerged following the same backing and termed to give a healthy competence to grow. Nothing can have no competition, because int that way nobody would buy anything. And that's marketing! This is how our world works and how it will keep working.