Salman seems to be following the lead of his son, Mohammed - who has quietly and not so quietly been getting rid of the old hardliner Wahhabists and terror supporters, to the point of arresting, imprisoning and most importantly *executing* members of the Saudi royal family. Interesting times over there.
A lot of this is probably driven by the younger, Western-educated and more Western-aligned set of the Saudi royals, who are reportedly increasingly vocal about conditions in their country.
Yes we are hopeful the younger generation may civilize the country some. To be determined