The experience on a phone cannot be evaluated apart from scrolling, so the first screen is not totally crucial. Different matter, however, for the desktop.
Discussion
Really? If I see spam/low quality/ poorly executed or designed landing page I close a mobile page right away.
nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6 is the last desktop user remaining anyway, and he knows mobile rules over desktop
Really.
None of the proposed pages are low quality, so your this logic should not apply.
Users scroll to have a complete view of the page.