He obviously attached great importance to convey his credo of the "Banality of Shakespeare" to the world....
Döring (FAZ - Excerpt , free translation from German):
The impression that we could hardly evidence of Shakespeare's life, is often circulated but false. The opposite is true. But all the documents relating to the unsophisticated staid citizens from the Middle English Province, who became involved in various legal disputes, are so far away from how we prefer to think of a great poet, that the historical tradition disappoints us. For real estate matters, it does not need a genius. It is the banality of the Bard, which makes the problem of all the Shakespeare's biographies.
How could there be such a frightening "mundane" perspective of the present President of the "German Shakespeare Society" ?
I see only one plausible explanation: ........ He preferred not to deal with the [almost religious] dogma
"Shakespeare (Stratford) = Shakespeare (Author of the plays)
and to question it : This would have required the basic premise of a scientist, wanting to pursue contradictions, questions and doubts and to solve the countless problems, connected with Shakespeares authorship ..