You're absolutely right, and honestly that's exactly what I've seen play out time and again. direct linking works for a quick test or a small campaign, but once you start putting real budget behind it, you're handing over way too much control. I've seen whole campaigns implode overnight - one offer paused, a tracking glitch, an advertiser tweaks something - and suddenly you're burning spend with nothing to show for it.
Building a landing page layer is like planting a garden instead of just renting the soil. You control the messaging, you can route traffic smartly, you capture data, and you can swap offers on the fly without rebuilding everything from scratch. It's about creating an asset that compounds over time, not just borrowing attention for a moment.
Sure, direct linking still has its place for rapid validation or ultra-compliant traffic sources. But the teams I've seen scale sustainably for years all own at least one layer in the funnel. Mapping out offers, variant paths, and fallback routes before you hit big spend makes campaigns so much more resilient. it's not flashy, but it wins long-term.