We've just taken delivery of 777-300s and are putting the new First in most LH fleets.
Even during the strikes last year LH operated pretty normally, staff travel wasn't even cancelled.
Even if another strike is called there will still be enough crew turn up, so book with confidence!
The general public mostly don't even realise there's a dispute, the last announcement didn't make most of the papers which is probably why the "Brutish Airways" adverts were taken out.