Great questions!

Till now, stablecoins gave no benefit.
As I mentioned above, the stablecoins being generated by Kinesis:

• Are transacted at lower fees than typical payment cards.

Most payment cards have fees of roughly ~3%. However, Kinesis aims to keep this around 0.5% and hopefully increased adoption can push it even lower. So, consider it as an ever-extended black friday sale of 2.5% lower costs on everything.

• Are generating rewards upon usage.

The system will be cored around its users: the people. So, the fees being charged will be distributed to those who actively spend the stablecoins. Think of it as something similar to the cash-back rewards your cards offer. The purpose of this is to push people to use the stablecoin over fiat.

• Will benefit from gold's appreciation.

Fiat currencies have depreciated since their placement. Gold has appreciated on the long-term.

I will discuss these factors in detail in later posts.