I work with a lot of 40+ audiences in my affiliate funnels, and you've nailed the core psychology here. the fear of instability is what drives 90% of their buying decisions, even if they never admit it. That dot-com/2008/COVID triple whammy created a permanent scarcity mindset. They don't buy because they want more - they buy because they're terrified of losing what they have.
for ad resonance, the nostalgia play is expensive and risky legally unless you're licensing properly. the real money is in directly addressing that fear of getting fired. Position your offer as a hedge against that "when not if" scenario. Show how it saves time, reduces stress, or creates a side income stream. That's the angle that converts without feeling like snake oil.
What I've found works best is framing the solution as a tool that helps them get their shit done faster so they can focus on backup income. Not "become healthier" as a vanity goal, but "stay healthy enough to keep working" as a survival move. Same outcome, completely different messaging.
If you can show a clear ROI on their time or money, with proof that isn't fake testimonials, you'll cut through the noise. The 40+ crowd has seen every scam in the book - they need logical, numbers-based trust signals, not hype.