My family doesn't at all! They honestly don't seem to care much about any of it. I'm sure at some point in their lives, they'll likely be happy to have some of those memories preserved, or if not them, their future spouses and kids!
My family doesn't weigh in at all, the only thing my husband tries me to do is sit and scrap more. But when it comes down to designing LO's they leave me to it. Unless its to do with sport hubby not interested, and unless its a computer game my son not interested LOL
A good chunk of my son's scrapbook right now is his video games. Hubby also likes video games but he doesn't have his own scrapbook