Scrap Booking. Why??

.I've been honest; I do not understand the craft of scrap booking.  It baffles me to no end.  What is the intent behind all the design elements used to create a page?  All the different papers, frames, other design elements, special fonts, all for just one or two photos?  So much time!  So much money for superfluous supplies. Do you scrap book every photo?  Or just the best ones?  If only the best ones, then what happens to the less than best?  Where can people find those?  ...more