I also agree with LC, if handled correctly KS can be a valuable tool for any developer.
Meeting the community expectation adds quite a bit of pressure, but it also brings out the best in folks. Another added benefit of the KS is that you already get quite a bit of PR and word of mouth as well as professional marketing without having to spend too much of a budget.
The KS will give a company a good idea if what they are working on is going to be a good game which will make money.
But as folks have been saying, stay away from physical goods. On the digital side only create things which are easily implementable and can be procedural y automated.
They do have to offer some benefits to KS'ers for the risk they are taking in investing at that early stage in the cycle.

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