I hadn’t heard of it before the above post but a quick google duckduckgo search suggests “mostly factual with a bit of extrapolation”, links I found here

TL;DR - 55bn in concentration camps is true, it’s also true some of those camps have incinerators for bio-waste. Whether that means they’re for Auschwitz style mass crematoriums is unknown (and to be realistic it’s not something they would explicitly document if it were true).

https://www.msn.com/en-gb/politics/government/critics-modern-nazi-concentration-camp-repurposed-55b-us-navy-contracts-to-build-detention-facilities/ar-AA1W4x70

https://factually.co/fact-checks/politics/detention-centers-warehouses-death-camps-incinerators-claims-a58543

https://healthranger.substack.com/p/blueprint-for-genocide-the-trump

https://migrantinsider.com/p/how-the-pentagon-is-quietly-building

etc

EDIT I use google as a verb, but after their recent changes I think I’d better differentiate