Sure, but there are plenty of parts of the world where this actually would be extremely useful. Complaining that a new technology isn't useful in 100% of cases

Sure, but there are plenty of parts of the world where this actually would be extremely useful. Complaining that a new technology isn't useful in 100% of cases is such an unhelpful position to take. Finding a solution that works in 10% of the world means the next solution only needs to worry about 90%. No one ever claimed that there would be one single solution to the problem they're attacking.