Maybe only receive funding when there is work to be done - like the addition of claiming/creating accounts after the latest fork?

> What would the proposal be? What would it look like? 
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I think this could be answered by BT, or someone with knowledge of the BitShare's network where WPs have been in place for a while.

> And at some point the project is finished and then what? What happens when the funding stops?
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I guess, no more new features until there is a good enough proposal/set of features to add that are voted in to receive funding.
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> Also if he is secured of funds for X amount of time will he work harder or slower to make it a sustainable business.
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Businesses hate paying for 'keeping the lights on', yet these tasks are critical in places :)  I would suggest for a website, that isn't critical to the chain (but is a solid nice to have), that this wouldn't be a valid 'paid for x amount of time' deal, and more a 'this is what I want to add' sort of thing.

Maybe steemcleaners is a better example of constant funding for a no end in sight project?  They take a good deal of Author rewards to fund, which to some might look better coming from a WP pool. e.g. Is the 1.5 million delegation that amount to ensure they have enough to combat abuse, or enough to ensure they can pay themselves enough, or both? With WP, there could be a line drawn - SP for abuse, WP funding for work? 

Tough questions man, I'm feeling the heat :)

users are fleeing as they should , tyranny of the whales is just out of control . I guess you'll realize what is the problem once you stay alone here .....