The article is indeed very good but unfortunately there is no such thing as a silver bullet when it comes to technology. In urban areas fiber is definitely the way to go because of the expected number of users and the relatively short distance to cover. If we move to rural areas fiber should be used as a support for long range wireless networks since it is not economically viable to lay a
As to the current situation in Germany I would say that we are not where we should be but we are on the way and the consumers here have far more options than the consumers in the USA. Some years ago I tried to get a second Internet connection, for failover purposes, for the office in Ft. Lauderdale, FL. It was a struggle because besides Comcast, which was our primary provider, there were only smaller providers all of them with a “valid until” label on them. I doubt they are still around nowadays.
The lack of options we see here can be compared to the dual party system where you’re either a Democrat or Republican. Just like the smaller Internet providers the smaller parties have no saying nor future.