Right! That's exactly it. I suppose it's also possible they're using the old molds from some other brand too. Almost everything is made in China and if it's not, the factory is still somewhere else in Asia, no matter where the official brand's company is from. A lot of the knock-off companies just buy old molds that the official companies are no longer using (for example, I've seen old Schleich molds on Amazon before.)
I also noticed on Amazon sometime ago there was a cute similar toy of a camper house with animals and they had this style, I assumed it was some random Chinese knock-off, but I thought their bodies were a little bit bigger. Woodzeez look kinda "fat" but the Honeybees look a little too "thin" for their big heads. I wouldn't be surprised if Walmart simply approached the same company to make these for them or another company who got those same molds.
OH I found them! Haha there's actually two different ones and a third different thing I found that is similar...
https://www.amazon.com/Best-Choice-Products-Dollhouse-Accessories/dp/B08GVHR1HB/https://www.amazon.com/Best-Choice-Products-Dollhouse-Accessories/dp/B08GV4113H
lol VERY knock-off and very strongly resembles Honeybees with those big heads and small bodies. The furniture/houses are probably CC knock-offs but obviously the camper itself is from somewhere else.
https://www.amazon.com/dp/B08312SC6B/?coliid=I1NY3DCJX5BNON
Same exact van with furniture but the critters more closely resemble CC
https://www.amazon.com/Fuzzikins-Camper-Van-Craft-Playset/dp/B07R2YS2SY
This is what you get when you combine the Crayola Scribble Scrubbies and Calico Critter knock-offs I guess lol. Actually being sold by Amazon, probably a legit brand? I just found that amusing so also shared.
https://www.amazon.com/PlayMonster-Fuzzikins-Dozy-Craft-Playset/dp/B07QYPWMD3/
Edit: In retrospect, these dogs look very similar to the Honeybee dogs; the ear shape and all that. Not sure if it's the exact same head mold... probably isn't but it does make them feel more generic. I think I like the Fuzzikins rabbit head might look better but not sure... definitely not the same anyway. The lamb is super cute... I really hope Honeybee makes a lamb family now (or for that matter a unicorn family, since I noticed they have baby and kid versions already but I digress.)
Another edit: Amazon seems to be crapping itself repeatedly when I click on links today... all of those should work, just a heads up if it doesn't load.
Incidentally, I also saw that camper with the Honeybee looking cats/shiba inu in a local toy store near me, no idea how they ordered them, but I didn't think to inspect it closer at the time because I was too busy getting excited over the sheer variety of plushie brands they had. They also sold official CC of course but I didn't buy any cause I got a super soft bunny that day instead.