Why rejection? How to improove?

What this means: “This item does not meet the general commercial quality standard required to be accepted on AudioJungle, unfortunately.” Is it technical (production) or it is not suitable for commercial use?
Here are the links on SoundCloud:

Everything sounds quite dated and “midi”, reminds me of a local cable cooking show/talk show. The mix/production is not bad, but it just doesn’t really fit the market place here i think is the main problem.

Thanks a lot Robert,
I suspected something like that, but wasn’t sure.