In many regions of the country, it is customary for schools to take a break for school vacations during February. Many families arrange their schedules so that families can take very special trips to remote destinations. The airlines are beneficiaries of this tradition, and flights to popular vacation spots are often totally booked. In 1999, airline pilots involved in collective bargaining disputes with their employer engaged in a “sick-out” during the school vacation period. Analyze this scenario from the egoist perspective.