Banned books of the week were also not banned. They actually often remained in print. The bs Ning was being done by busybodies who knew what was right for young children.
You’re trying too hard to defend the indefensible. eBay and Amazon stopped the used book market for these not just the publisher and rights holder.
According to your take no book has ever been banned in the US and people who complained about book banning were clutching pearls.