Maybe as if you're one of the very best COBOL programmers around and work as a consultant. However, anecdotally, working a normal 9-5 COBOL programming job at a bank or insurance company doesn't pay well at all.
Some niches are of course different from the mainstream, but spending five years maintaining a VB6 application is unlikely to further your career a lot.
More than being an inexperienced programmer with shiny keywords.
An experienced programmer with all the shiny keywords is rare.