This is it. The source is the spinelessness of studios rather than some greater societal shift. However, that's not to say a societal shift cannot follow from reality mirroring fiction because mass media manufactures much of the attitudes of society.

I value old, foreign, dirty films that transgress taboos because they go boldly without the consent and approval of the morality police god squad or the ministry of harmony and culture.

“[Good] Art should comfort the disturbed and disturb the comfortable.” ― Banksy