I fail to see how other beings in the universe would invalidate the possibility of their being a Creator.
It should actually increase the possibility, especially if those other beings have similar beliefs to our own.
My feelings exactly.
In the Genesis story, the Earth was created on Day 1 before all other planets, stars and our moon etc on Day 4. Earth is unique and is at the centre of all that God created. And that uniqueness is centred around the creation of mankind.
In Peter 3:7-10 it is stated that God will destroy this present universe and create a new heavens and Earth. Everything in the entire universe will be destroyed and that includes Earth. If one believes in intelligence elsewhere in the universe, that would imply that their future and timetable for their lives is inextricably linked to God's timetable for Earth. Would that make any sense? That the lives of these other intelligent beings in other worlds would be created by God but have their lives tied to the failures and sin of the people that God created for Earth?
Would it make sense for God to create intelligent beings on other planets but mankind ruler over them? Psalms 8:3-6: Thy heavens, the work of the Thy fingers, the moon and the stars, which Thou has ordained
Thou dost make him [man] to rule over the works of Thy hands, Thou has put all things under his feet.