No matter how many efforts we make, there is always another that competes with you or out best you but why should that matter.
We love looking at new contents.
If you have a story to tell then, just do it.
I too am wondering if my comics are worth it back then but when I want to make a story out of my comic I said "Screw it, I'm doing it anyway" Because I am heavily invested on my comic and want everyone to see and read it.