This is not true. There are quite a number of reasons to be found in the article. They are just not listed for you using bullet points.

E.g.: Focus on investigative journalism - << After publishing the Panama Papers, in 2016, Krach declared Der Spiegel’s monopoly on investigative journalism in Germany over. Part of this push, he said, arose from the need to secure the future of the paper. “The only strategy to survive in the long run in this very complicated and economically difficult environment is that we have to differentiate ourselves from others, so that people can find in our newspaper something they cannot find anywhere else,” Krach said.>> And then further arguments: Success with the Panama papers, etc. etc.