As someone who speaks at conferences regularly with a resume similar to his, I can tell you this probably not true. Tech conferences don't usually pay well if at all. Possibly for a keynote speaker but even then not much.
Most conferences I've spoken at don't even pay for you travel and hotel, never mind additional amounts on top of that. They expect your employer to pay for travel and hotel just as they would if you were a regular attendee.
I will say that 100% of conferences have had a free pass that gets you into all the talks and usually a catered lunch, snacks, and coffee in the "speaker lounge".
> As someone who speaks at conferences regularly with a resume similar to his, I can tell you this probably not true
My first thought was that he meant speaking at conferences was a great self promotion technique for lead generation.
So she was basically getting paid by our employer to write books, which were her intellectual property, not our employers. Sweet gig.
Unless he's working for a javascript tool builder, why does his name add any extra value to the company?
For the company that I worked at, employing a published author was a method to seal deals for the sales team. Basically created the impression that we were experts at DevOps (we weren't.)
The name adds some cache when hiring. Some of our top talent came to our company solely to work on my team. It also gets you exposure at conferences and events. A good enough recognized name will sometimes even allow you to raise more money even if they are not in management.