I’ve been doing public speaking for my entire adult life, but not for a living.
That said, it’s not my strong suit. Others are far better at it than I am.
This is one of those areas where folks can make money/satisfy ego, so there’s a ton of competition. I’m not competitive, and am not interested in making money doing this kind of thing, so I don’t really try.
I do appreciate folks that are good at it, though; especially when I want to learn. A skilled orator can make learning a lot more fun, and can be very motivating.