Of course it is English, why would it be in German...?
The information of the article does not seem to be up to date. I can remember reading the exactly same words about a year ago. 20% pax changing airplanes in MXP? I don't think so... Smaller jets? Most probably not operated by LHI, if used at all. Current plans are to operate around 6-8 A319s for which aircraft are secured. Cheaper Pilots? Definitly!