[Scully]

changes in religions and culture are more Lamarckian

And the process seems to be accelerating. Sadly though, many people seem to be trying on one "religion" after another without much thought or investigation.

[edwin hubble]

Yes... change comes quickly..
Is does seem more the be more quickly.

It may be mass media. A century ago most Americans never traveled far from their homes.
Parents had strong influence over a child's developing ideas.