Here are some other recent articles discussing the safety aspects of carrying passengers on vintage aircraft in the wake of the B-17 crash. Ultimately litigation and insurance costs will probably be big factors in determining the future of these LHFE operations.
https://time.com/5692347/b-17-crash/
https://www.apnews.com/bd8a291db10e4885af369fbc6590b8f8
https://www.usatoday.com/story/news/...on/3858534002/
https://www.forbes.com/sites/michael.../#3e2724265b42
And a 'keep 'em flying' view:
https://www.forbes.com/sites/davedep.../#4e7330f17417