atheists can’t legally object under US law

That's not true.

At least one atheist organization has already had their display in the Iowa Capital.

They opened the capitol building as a public forum, therefore they have to allow any group that wants to send a message.

Seriously!

Have you read their collection of folk tales and hallucinations (or "Bible")?

He comes off as the good guy more often than not!

That Jehovah dude, on the other hand, comes off as a petty tyrant prone to hissy fits and overreactions of catastrophic (and often genocidal) proportions to anyone who doesn't RESPECT HIS AUTHORITAH or treat his favorite people as precious snowflakes that have first dibs on everything and everyone.

(Capitalized italics to be read in the voice of Eric Cartman from South Park America)

As a former Christian, I don't know how Christianity is even a thing. You sit in church and listen to pastors or priests read passages from a book that are Jesus saying "Love everyone, but don't worship me" and then look around and realize everyone is doing the opposite of what he is saying.