It isn't really about encryption, as the title implies, but about deleting communication records (whether encrypted or not).
> However, companies have an obligation to preserve records that may be reasonably seen as relevant to litigation or that fall under data retention rules set by industry regulators
> However, companies have an obligation to preserve records that may be reasonably seen as relevant to litigation or that fall under data retention rules set by industry regulators
Seems pretty clear that Uber violated this.