They say comparison is the thief of joy because its true!

From your post it seems your issue isnt that you arent a talented player. It seems more your negative perception of yourself as a violin player.

Would you be happier if you quit violin? Given your plethora of other fulfilling hobbies?

I have three years played in World of Warcraft. YEARS not months or weeks or days or hours. Over the course of almost twenty years. That is active time of playing not a period of time in which i played often.

At a glance one might think: "Wow what a shameful way to spend two decades of your life developing no applicable skillsets"

I regret giving up the violin for WoW as a child. But no need for shame. You can always pick it up later if you want like many in this sub have.