Is he? I have no idea. It does appear his standards are higher than yours. But, if you are just starting out you can learn. At least the photos look reasonably focused. Technically not bad. Not terribly artistic.
I have no idea if the links will appear. I typed “dance” into the 500px search engine and got a lot of samples. Here, I hope, are links to a few:
So, if the links appear, how does the collection from 500px.com compare to what you showed us?