Let's share some insights from our perspective.
In our earliest project days, we used our Social Token as a means. Being really low on funds, we used those funds to buy our own Social Token, and then distribute them right after the buys to the earliest contributors to the project. The idea was that all could equally benefit should the Social Token of the project become a success. Vesting basically zero, because in theory all could decide to sell the tokens right away (no one did)
Your scheme makes sense, but we don't have similar funds by far. Nor the ability to offer DeSo at a discounted price (other then pay for that %-age ourselves).
Now DeSocialWorld is a company, there's the equity option as well (certificates/shares).
We are confident that at a point in the future, we will secure significant funding. That doesn't automatically mean we will move to a scheme similar to yours. Of course. talent should be rewarded. But we don't want something else to happen, i.e. attracting people that come for the rewards and incentives instead of the vision and the mission of our company
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