If you can quote spindle runout, you know perfectly well that there's no meaningful IP in this market segment. That would have been achievable by any number of manufacturers a hundred years ago.

It's a pure manufacturing cost play to make something precise enough, rigid enough, and light enough[0] while being inexpensive enough for the market segment it's aimed at.

Is it a bummer that a US manufacturer went out of business trying to make money at that play? Yes. Is there anything nefarious going on with IP theft? Absolutely not.

[0] This is being sold to customers who don't hire riggers to move their machines.