I remember back when stamps were five cents each. When they raised the price to six cents, that was a 20% increase. If they raise the price from .44 to .46 that's only a .045% increase. Less than one half of one percent. So it makes sense for them to print Forever stamps all year long and sell them at the going rate than to print new stamps every time they raise the rates plus print a ton of two cent stamps so people can use up the old .44 ones. That's why they sell them to you now even without you asking for them.
Sorry, I'm a math kind of person. :D