It's not directly relevant, but the company has been involved in multiple criminal investigations with alleged price fixing etc.

https://en.wikipedia.org/wiki/DRAM_price_fixing_scandal

Also, I don't recall any era where "proof" is required for allegations. "Evidence" is probably prudent, but proof is usually produced when the accused gets ends up in court.

Unless you time travelled from a feudal era where they throw you in jail for slandering the nobleman or something.