People who give such answers often focus on the outcome rather than the process. They don’t necessarily take into account the likely necessity for iterations or continuous improvement. Moreover, they simply haven’t any real concept of your vision.
Knowing when to stop or to continue is difficult for any start-up. This is especially true when trying to foster what is known as latent demand —when consumers themselves don’t yet know they want something until they want it. There was a time, for example, when people didn’t even know what an online search engine was, let alone that they would want one.
The risk and glory of such entrepreneurship hinges on a host of variables, some of which can be controlled while others cannot. There’s also the element of luck, which oftentimes plays a critical role in its own right.
