My take
Being known beats being qualified.
Qualifications matter. Experience matters. But the most qualified person doesn't always get the opportunity. The person who's known usually does.
Here's the difference a rewritten headline makes. Instead of the LinkedIn default:
"Marketing Director at Company X"
Try something like:
"Marketing Director | 10+ years in Tech | Helping SaaS brands grow revenue 30%+ through performance marketing"
That's searchable. That's specific. They can see what you do, who you do it for and the results you deliver, and it's exactly the kind of thing that shows up in LinkedIn Recruiter.
Then your content does the second job. When hiring managers feel like they've met you before the interview, you reduce their uncertainty, and at senior level that's often how you avoid six and seven-stage interview processes.