But in all seriousness, using a spreadsheet for prototyping makes perfect sense. Why waste a ton of time setting up a database when you're still figuring out what you are doing, and a spreadsheet works just fine? Yes, there's some hassle when you have to migrate, but that's compared to the hassle of setup. The amount of time to get the first iteration launched is a LOT more valuable than time down the road.
But in all seriousness, using a spreadsheet for prototyping makes perfect sense. Why waste a ton of time setting up a database when you're still figuring out what you are doing, and a spreadsheet works just fine? Yes, there's some hassle when you have to migrate, but that's compared to the hassle of setup. The amount of time to get the first iteration launched is a LOT more valuable than time down the road.