I don’t know if you’ve read any of her work; and while I too don’t sign on to her atheism, her political and economic philosophies (still) show a great deal of prescience.
Truth is truth - no matter the source - or how flawed that individual might otherwise be.
I’ve read AS 4-5 times (most recently in January in anticipation of the new regime), and find it gets better with age.
I read “Atlas Shrugged”. It is a poorly written book. It is three times as long as necessary. The message is important, but Hemingway would have done a better job. I love Ernie,