I'll get us started:
The first item is the "Baby Boomer way" of doing things; then a dash, then the current generation's alternative.
Baby Boomer way - Current generation's tendency or alternative
30-year Mortgage - Save up and buy house/rent/pay off mortgage early
Credit Cards - Debt-free living, Dave Ramsey
College education - Apprenticeship/self-study/learn online
3 or 4 children - More children (trad. Catholics)
Formula feeding - Breastfeeding
Cry it out - Attachment parenting/Baby wearing
Baby's 1st food at 4 months - Extended Breastfeeding
Crib at 4 months - Co-sleeping
Public School - Homeschool
Processed/frozen/convenience food - Organic, GMO-free, healthy food
Dad goes off to work all day - Work from home/multiple part-time jobs
Belief in the Stock Market - Complete lack of faith in the Stock Market, buy Gold/Silver
Hope of SS, pension, retirement - Have enough kids to support you, and/or just hope and pray!
Magazine Subscriptions - Internet
Cable TV - Internet, NetFlix, Youtube
Donate stuff to Goodwill - Sell it on Craigslist, eBay
Buy or Lease a new vehicle every 4 years - Buy one used vehicle and drive it until it dies
Car is a sex/status symbol - Car is basic transportation; a depreciating asset; a necessary evil
Insurance for everything - Insurance when required by law
Keep financial, health matters private, even from family - Post extremely detailed personal monthly budget, including what you ate for lunch, on your "Getting out of debt" blog
Privacy extremely important - Who cares about privacy?
Views Internet with apprehension, suspicion - Met spouse on Internet
Buy household items at department store - Buy everything possible on Amazon.com or other online venue
Buy lots of toys, electronic gizmos for children - Let kids play outside, play with old-fashioned toys