Technology is supposed to make life easier, not the other way around. Yet when it comes to football, it often seems to have made the game more complicated, raising more questions than it answers.

Switzerland forward Breel Embolo should not have been sent off during this month's World Cup quarterfinal against Argentina, according to a circular issued by soccer's law-making body IFAB on Tuesday.

Argentina have reached the World Cup semifinals after back-to-back knockout wins over Egypt and Switzerland, but both victories have been overshadowed by VAR uproars.