You're exactly right.
I'd be interested to know the median income of the poll respondents. From what I've seen, when you ask people what it would take to feel financially secure, they think about what it would take to manage their current lifestyle and a few wants, so you get answers that are somewhat above what they make now, but not orders of magnitude. OTOH, when you ask people what it would take to feel rich, they pull a number out of a hat that feels huge.
But of course if you talked to other people who made those salaries (the "secure" and "rich" levels from our first respondent), they'd have higher numbers for both of those figures. And then if you asked still other people who made the second guy's salary numbers, they'd have even higher numbers than that guy did. And so it goes until you're talking to Jeff Bezos.
Which is also why the average American is not likely to ever feel happy or satisfied, because we're always chasing the next level of "stuff," thinking that when we get there, we'll finally relax/be happy/have everything we want. But when we get there, we discover we're still ourselves, and the extra money didn't magically fix things. The only solution is to opt out, stop judging ourselves by meaningless stuff, and look elsewhere for meaning and purpose. But it's really hard to do that when we have a whole culture that is predicated on the eternal treadmill.
Also, I wouldn't feel "financially secure" or "rich" at any salary below the multi-million variety, because my definition of those terms is based on assets, not income.* I mean, give me a big enough salary and I can put 95-99% of it away and be magically "secure" or "rich" within a year, but I don't think that's what they're talking about.
*Well, I'm FI, so I already am, but for sake of argument.