Behind all that poetic language of his is a serious logical flaw. No matter what you call it, it's still self-love.
Not really. I recall a conversation I had with a "doubter" one time and his biggest beef was, "God must be some kind of egomaniac or really conceited because why does it say that he created all things for his own glory?". I guess some could ask the same question here about God creating beings to be the object of his love so that they would love him in return.
The way I see it is, God really deserves all the glory and praise anyway and he is being honest about it. There is no conceit when the praise is righteously deserved. For all eternity God was God, in his being, at some point, he created the angelic beings and then he created time. He created time and placed within it a universe. In the universe he created beings in his own image capable of returning the love he showed them just as the angels could. Did God NEED to create any of this? I don't think he did but he chose to. So we can conjecture why he did or we can accept what he has revealed to mankind about it and it was:
Ephesians 2:6-7
And God raised us up with Christ and seated us with him in the heavenly realms in Christ Jesus, in order that in the coming ages he might show the incomparable riches of his grace, expressed in his kindness to us in Christ Jesus.
So, no, I don't think we can begin to understand everything there is to know about why God did what he did and, so, we will have to be content with faith for the time being. I'm okay with that.