The difference between denominations and multipliers in slots

Can anyone explain why some people who play slot machines switch to higher denomination then proceeds to bet minimum on said denomination?

Slot Queen plays every bet on the Lightning Link slot machine, including max bet While we are all waiting for las vegas reopen after the

slot 2xl TikTok video from Cowboy Slots Slot Machine Facts: Multi Denom Machines and higher limits

slot p6 DeNOMs! That's short for “Denomination ” Most slot machines in list payouts in terms of “credits” right now, which can represent 1 cent, 2 cents