So whether or not aliens really exist and are visiting us, many -- perhaps most -- people already think they do, and thus the claim that such knowledge is too world-changing to accept is invalidated.

所以无论是否外星人真的存在并且正在造访地球，大部分人已经认为外星人确实这样做了，因此那些关于“一旦公众知道外星人的存在就会产生世界性的改变”的论点就无法被接受了。

youdao

So whether or not aliens really exist and are visiting us, many -- perhaps most -- people already think they do, and thus the claim that such knowledge is too world-changing to accept is invalidated.

所以无论是否外星人真的存在并且正在造访地球，大部分人已经认为外星人确实这样做了，因此那些关于“一旦公众知道外星人的存在就会产生世界性的改变”的论点就无法被接受了。

youdao