Optimistic when it comes to space tourism

Using Inayatullah’s triangle one can understand why many are optimistic when it comes to space tourism. This is exacerbated by the fact that people can imagine what is possible based on what is known today. However, using the same model of predicting the future, one can also see reality. There are problems that at this point are insurmountable. The safety of space tourists cannot be assured. Thus, space tourism is not going to happen in the next few decades.