The same major memory makers got prosecuted for cartel behavior by the DoJ a little over 20 years ago[0].
One might say "well what specific law have they broken" and I don't know and I don't know if they have, but at the very least the power of the State _could_ be used to force behavioral changes in some ways or another.
[0]: https://en.wikipedia.org/wiki/DRAM_industry_price_fixing