Do the subsidiary airlines of LH these days get pilots from the same school as mainline? Do they operate to the same SOPs and overall safety philosophy?
An old Spiegel article from more than 30 years ago implied that this was not the case back then.
DER SPIEGEL 10/1993 - Anflug verpatzt
At that time, in an expanding market, LH was bringing in already existing airlines to fly for them, much as the legacy carriers in the US did and still do.
Similarly, in the 90s, Crossair had some incredible lapses that were several notches below Swissair's high standards.