Page 119 is federal WPAs, not federal land in general. Vanishingly few federal WPAs up north here, it’s basically all just federal forest.
Page 120 is about federal forests says you can’t abandon private property on federal forest land, but it’s in the same bullets as you have to remove stands at the end of season.
The game warden you talked to sounds like an LEO making up rules. It explicitly mentions cameras in the rules, there is no reason to think the DNR would have chosen to be vague in just that section.