I am glad you found it interesting and exciting ;-).

My thought is that ‘space research/industry’ may only serves economic and scientific interests – not so much for human travel among stars. Extra-terrestrial beings would find the same physical laws on the speed of light and so find the same problems in visiting Earth from other stars.

But there is no limit to imagination and human endeavour. We just have to make best use of our abilities to match the laws of Nature.