The guest, a scientist, believes that accessibility to tools can benefit people like him who have desires to do things, and accessibility to such tools can include giving scientists and engineers ones that don't require programming skills. The guest has some interesting ideas that would require time to emerge.
The speaker desires to create systems that could help people with similar desires to benefit. They have come up with some interesting ideas, but it will take time for them to emerge.
Scientists and engineers require user-friendly tools that allow them to focus on their work without worrying about programming. These tools should include plotting, interactive environments, and good documentation to enable easy access to complex ideas.