There’s reasons for doing it, though. For example, iOS Safari likes to zoom past 1.0 slightly when focusing an input and doesn’t zoom back out to 1.0 when unfoc

There’s reasons for doing it, though. For example, iOS Safari likes to zoom past 1.0 slightly when focusing an input and doesn’t zoom back out to 1.0 when unfocused. This often leaves users in a slightly zoomed in state which means they can easily miss right side aligned buttons and content. Setting the maximum scale to 1 in the viewport prevents this.