Rate the following argument fragment on its writing, argument, and language skills:
Concluding Statement: In "The Challenge of Exploring Venus," the idea that studying Venus is a worthy pursuit despite the dangers it presents is supported through Venus' vast similarities to Earth, Venus' proximity to Earth, and the innovation in machines by researchers that could make them work long enough to expand mankind's knowledge on Venus. The idea that studying Venus is a worthy pursuit despite the dangers is supported through Venus' vast similarites to Earth, which is why humans have such interest in this particular planet. The idea that studying Venus is a worthy pursuit despite the presented dangers is conveyed through Venus' proximity. The idea that Venus is a worthy pursuit despite its hostile environment is supported through the innovation in machines that could make the close-up exploration of Venus possible. The author believes that sometimes humans cannot let curiosity, imagination, and innovation be trampled by the dangers and doubts. Humans cannot live in fear all the time. The human spirit always demands that humans continue striving towards knowing more.

Score: 2