Cinematic suspense track rejected, opinions?

I’m guessing it’s an issue with the mix or strings are a bit robotic/unnatural. What do you guys think?

https://soundcloud.com/rockitpro/rockitpro-cinematicsuspense-preview/s-0z437

All I got was “This submission does not meet AudioJungle’s commercial production (samples/recording/mixing/mastering) standard, and its commercial composition/arrangement standard, unfortunately.”