It probably was at some scale, but it’s just not attested. And it certainly wasn’t the entire nation..

The Babylonian exile on the other hand is attested. That was more like a royal hostage situation than slavery though, the Babylonians sacked Jerusalem and took the nobility back with them.

That was one that you can just tell was a very highly contested script that just kept getting rewritten again and again by writers with very different sensibilities. The core idea is great, but man is the execution uneven

I call this Machinical Turking