Credential Creep doesn't mean grad school is for everyone -- yet.
Credential Creep is the slow expansion of the designations required to qualify for a job.
Before the 1960s you could get away with a high school diploma to qualify for most jobs. But, after the expansion of post secondary school education, you needed a BA or BSc.
Now, you often need more:
Government research departments that were hiring a B.Sc. back in the 1950s have been moving toward an M.Sc. or a PhD. This is not unreasonable, since the world has become more complicated and specialized.
However, many students who begin graduate programs don't complete them. Ellen Roseman provides a thorough review of the issues to consider before starting, here.