I make what people ask me to make. At the moment people want Tech style sigs, so i make them.
It does not represent me in any way, but more the members of this community that request them.
Plus they look great for the purposes they are intended for.
I could have any sig i want yes, but if i made what i really enjoy making,
id never have any time to play freelancer as id be swamped with requests.
That should answer your question.
Edit: and this sig represents hmm lets say your rotting carcass on a dry sandy desert dune, and lets pretend they are vultures..hahaha. ;)