When scrollbars are not hidden, icons out of view are more discoverable. This used to be the only way Finder windows worked; there was no option to hide scrollb

When scrollbars are not hidden, icons out of view are more discoverable. This used to be the only way Finder windows worked; there was no option to hide scrollbars. But the Apple decided scrollbars should hide by default, and be very narrow, and be low-contrast… hélas, hélas, c'est pour toujour.