If you put a softcap means that that's the minimum amount needed to follow the roadmap, I'm expecting anything less, Hard cap is just a plus, I expect any projects which reach the hardcap to actually speed up the development
extra cash can be use to many thinghs like better marketing campaign, hiring better professionals, adding more features to the project...But to develop the main project with soft cap is enough.
They have softcap: 5 million $? I think this is realistic figure, especially if there are large investors - but one cannot ignore - current state of the market.