There is a popular opinion that having a certificate doesn't necessarily means that you have knowledge. And that certainly doesn't mean that all certified peopl

There is a popular opinion that having a certificate doesn't necessarily means that you have knowledge. And that certainly doesn't mean that all certified people don't have knowledge. That also doesn't mean that there aren't any reputable certifications. But there are many bad certification programs. Nobody is against training and that's why companies still encourage juniors to take training and even some certifications. But some certifications aren't really designed to be a good training. Just go on internet and see how people are seeking for tips and tricks to handle the exam itself and also check study materials and you will understand where that opinion is coming from.