But the average US citizen doesn't exercise most of these freedoms but actually lives a more restricted life than the average German citizen in my view.
"several states limit the number of characters that can be used due to the limitations of the software used for official record keeping." and "The Office of Vital Records in California requires that names contain only the 26 alphabetical characters of the English language. Some states (for example, Alaska, Hawaii, Kansas, North Carolina, Oregon) allow accents and some (not always all) non-English letters in birth certificates and other documents." https://en.wikipedia.org/wiki/Naming_in_the_United_States
So, it's a long way from total freedom, but I get your point. However, you can call your kid whatever you want, the limit is simply around what you can do with official paperwork.
So in short I think you can have more freedom in the US if you take it but the regular citizen with a typical employee lifestyle is less free.