The maneuvers they make would kill them. It would take generations just to get here.
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With our current technology, yes. We can’t reasonably travel interstellar distances.
But consider how far our technology has advanced from say 500 years ago. Imagine showing someone from 1500 A.D. a mobile phone or an airplane. They would consider these things to be impossible. Now imagine some alien world where their tech is 500, a 1000 or 10,000 years more advanced than our own. To us it would look impossible.
Imagine showing someone from 1500 A.D. a mobile phone or an airplane. They would consider these things to be impossible
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No they would not. They would think you are a witch and tie you to a stake and burn you alive.
In the early days of railroads there were some who believed that speeds in excess of 100 mph would be fatal. That was around 200 years ago.