The friendliest thing a train can do is bloody show up on time, which National Rail seems to have had a problem with lately.
but it's ridiculous to claim that the culture that produced Goethe, Schiller and, to a large part, the Romantic era doesn't value aesthetics.
I think that most "popular" (i.e. charts-topping) German music is rather bland, but I feel the same about chart hits from other countries. Meanwhile there is some German music that is really good - though of course whether you'll like what I like will depend on your taste.
Can’t talk about popular German music, as I don’t listen to that or to other popular music.
Mainly I find that Germans who disagree with these things have not lived in other countries, and those that do immediately agree.
EDIT: trust me the banter between two strangers chatting in the UK is not fake. We are not americans. We are simply willing to talk to people we don't know. Germans do not do this. Isolating yourself from strangers is not something to be proud of.
Tangentially, it also reminds me of going back to the UK last week to visit a conference. The trains were just so much different to those in Germany, even the crappy "Stansted Express", those here in Germany feel very utilitarian and unfriendly (particularly the Deutsche Bahn "Bombardier Double-deck Coach") while in the UK similarly priced train services are more explicitly friendly and caring in their design.
I do think it is a systematic or cultural "problem", but also it's kind of one of the things I like about Germany. The emphasis is on things that are completely tangible to everyone rather than more removed concerns like aesthetics and friendliness. And, I think this bleeds into the cultural arts too. I have noticed the same thing with a lot of popular German music too. It just lacks the sense of "coolness" that there is in other countries, and feels almost like an cringey imitation of other countries popular music