A certificate can be useful when it represents relevant learning or meets a requirement for a role you want. It is not automatically evidence that someone can apply a skill well, and it is not a guarantee of employment.
Before enrolling, check the course content, expected practice, total cost, and whether relevant employers actually ask for that credential. Compare it with a smaller learning option or a practical project. Choose the route that helps you demonstrate a useful ability, rather than collecting certificates because the technology feels urgent.