Because level and fame are not equal.
Alanwalker is a big name that has been packaged commercially, so his level is not high and naturally he is not recognized by people in the industry. AW's easy-to-imitate and mysterious image packaging is bound to be easily favored by young people. This is an advantage, but it is not an advantage as a producer or DJ.
It’s more about the advantages of being an IP or an idol. AW needs accumulation and precipitation. Although he is now at the forefront of commercial electronics, Alan is not at the forefront of capabilities and technology, so he is not recognized by professionals in the DJ world.
Extended information:
When Alan Walker explained how to make "Alone" in an interview with the Youtube channel Future Music Magazine in 2017, the entire interview process was not explained by Alan Walker. Alone" production process.
It was Mood Melodies, a music producer led by Alan Walker, who was explaining for Alan Walker. As for the reason, it is because "Alone" was not produced by Alan Walker. Later, Alan Walker admitted that the entire song was created by the music producer next to him and had nothing to do with him.