"Nobody lives in a vacuum — we are surrounded by other people who also have many valuable thoughts. A visionary has a network of contacts that are mutually beneficial. Existing ideas of other people are taken up and improved. While visionaries are busy doing it, completely new ideas come up."

Yes Aaliyah - this is where visionary may not envision ideas and ideate themselves but can recruit and inspire others to develop vision. One person can never see, without tech aids, what is happening behind them. A team can have 360 vision and, when structured in the right way, see, hear and sense what is beyond the (strategic) horizon

Footnote: Read in National Geographic one of the original peoples of North America have a saying - the future is behnind you. This is why no one can see the future