For live action TV its probably easier to just use retail units but for animation it allows them to use only the aspects they are interested in while not getting bogged down in the realities of the console/controller design or the actual gameplay scenarios.
Of course it also allows for the title to function as a joke too, and makes for a more timeless product than a current year pop culture reference.
IIRC for the N64 controllers the Australian Nintendo Store couldn't keep them stocked for more than an hour every 6 months or so from when to first released in October 2021 to when stock stabilised in June 2023.
From what it hear it was similar on many other regions too, I don't think it had the effect they were hoping for.
This site doesn't seem to let me link to more specific filters but if you set release year to 2024 and choose a specific platform they list 214 PC titles, 128 Switch titles, 124 PS5 titles, and 97 Xbox Series titles from last year !
Edit: its a weird site, it wasn't applying all the filters in the link it generated. So I've simplified the link and summarised the numbers.
If made today this could be "premium" DLC but it was an amazing product given the constraints of a 15 month development window and a need to use existing assets and engine features as much as possible.
Admittedly my local is part of a large chain so this may not be typical but even independent supermarkets in my area tend to repackage bulk candies and chocolate under their own label.
For "family" devices its a feature that many parents would be happy to use.
I enable the battery health options on my kid's tablets, I'm happy to sacrifice a little bit of operating time in year one if it means I still have "near new" operating time in year two and on.
Its just a warning, if the game is still active people can still access it.