I understand your frustration! I would be frustrated also if I supported and promoted a false doctrine. It is very frustrating trying to prove the Bible says Satan was good until he disobeyed God and became evil, because the Bible tells us the exact opposite. Especially when the Bible very clearly tells us that from the beginning Satan was, is, and always shall be a murderer and liar, and in fact he is called the father of lies.
Besides Ezekiel 28
15 From the day you were created
you were blameless in your ways—
until wickedness was found in you......which shows Satan was created blameless then wickedness was found in him...there is also Genesis
31 And God saw everything that he had made, and behold, it was
very good. And there was evening and there was morning, the sixth day......if Satan had fallen by day 6 then everything would not be good....in fact VERY GOOD.
In fact even the beast were good....you even posted scripture saying so. You used
bold letters and
underlined words.
Genesis 1:24-25 (KJV) And God said, Let the earth bring forth the living creature after his kind, cattle, and creeping thing, and beast of the earth after his kind: and it was so. And God made the beast of the earth after his kind, and cattle after their kind, and every thing that creepeth upon the earth after his kind: and God saw that it was good.
Considering Satan was "good".....walked in the garden in an un-fallen state as a cherub...(an angelic living creature) clearly shows Satan was once a "good guy".....until he got into his I, I, I will mode in Isaiah 14...and fell.
Isaiah 14:12“How you are fallen from heaven,
O Day Star, son of Dawn!
How you are cut down to the ground,
you who laid the nations low!
13You said in your heart,
‘I will ascend to heaven;
above the stars of God
I will set my throne on high;
I will sit on the mount of assembly
in the far reaches of the north;
c
14I will ascend above the heights of the clouds;
I will make myself like the Most High.’
15But you are brought down to Sheol,
to the far reaches of the pit.