It is not a protected title in the U.S., China, or India, and yet you could say those are three countries most responsible for writing the software that the rest of the world uses. I would argue there is some connection.
It is easy to see how gatekeeping is particularly valuable for those with the means to distinguish themselves. But for the rest of us, people who want to work on or consume a product, does a field benefit more from having an open gate or closed?