I'm German and I felt very alien as well when I visited. It is an historical monument. People don't go there to commemorate the Völkerschlacht (the small museum nearby is better suited for that), but to see how they commemorated the Völkerschlacht 100 years ago.
Does there have to be a special reason? Being naked or not is something which people do mostly because other people do it (like many other things). It's an inherently unstable system, so to speak, so it's only natural that there are fluctuations.
You're lucky if this is common sense for you. Sadly, for me, coming from a family where bad mood and malice is daily fare, this book was an eye opener.
For someone who was socially awkward growing up, it wasn't all common sense for me either.
I once had a neighbour tell me "I have a name, you know" and it seemed a crazy thing to say, of course they have a name! It wasn't until reading the book that I understood they were offended that I never used their name in conversation.
It doesn't necessarily mean during conversations (which can be and sound weird), but could simply mean when greeting them.
As an example, do you have a normal bar, restaurant, or coffee shop that you go to? When you go in, I'm sure that they greet you as most places do, and you probably toss of a "Hi" or a "Hey" and that's about it, even if you know their name. Try this next time. When you walk in and they greet you, give them a big smile like you're happy to see a friend and actually address them by name with a "Hey Mark! Can I get a Miller Lite" or "Hey Deb, table for four tonight". It doesn't really take much effort, but it really builds a connection.
WARNING: I'll toss this in as a warning. Don't fake knowing their name if you don't. A sincere "Hi" with a smile is still good. An "Oh hey...(looks at name tag) Jill..." comes off as fake. However, if they go ahead and give you their name ("Hi, I'm Jill and I'll be your waitress this evening") then by all means go ahead and say "Hi Jill" and address her by name throughout the evening.
It's worth reading, even if just to understand why others are recommending it. Sometimes they're not really recommending the book, but just "this book was the first to get me thinking about people skills".
The section on names is Chapter 3, ending with the principle "Remember that a person’s name is to that person the sweetest and most important sound in any language."
The chapter itself rambles on a bit and claims the success of US presidents & Andrew Carnegie is their ability to memorize thousands of first names... I think that's an exaggeration. But there's an element of truth to it, if you keep it in the back of your mind and try it yourself, memorizing people's names & using their name when you next meet them. (Especially at nightclubs, which is where I probably learned/used it most.)
Think of it as the difference between a letter addressed "Dear Ozovehe" vs "To Whom It May Concern". The latter shows they haven't even tried to get to know you personally. And now you'll notice when email / internet marketers try to use your name for just that reason....
Reminds me how (allegedly) in the middle ages long lasting contracts where made: tell the text of the contract to a kid (better memory than older persons and more likely to survive the next decades) and slap it in the face so that the kid never forgets.
Calligraphr has a free plan also. And a much better image processing, images taken with a camera are usually good enough, you don't need a scanner anymore. You also can edit characters after importing if there should be some artifacts. Myscriptfont also doesn't support Ligatures or character randomization and only a very restricted character set. Disclaimer: Myscriptfont is also a project of mine.
I read about a similar effect in one of Richard Wiseman's books: Look into a big mirror with no light in the room except for a small lamp behind yourself. After one minute, your face should look bizarrely distorted. (I never tried it, BTW).
