They never said they were coming from Mac. You are correct in regards to Mint and pop_OS! tho, I just think the recommending of other Ubuntu based or even other based distros nowadays is just so “political”. Canonical isn’t the darling it once was but it’s still a good distros to cut teeth on especially because you can easily hope to another spin for a new DE and still be on “Ubuntu”.
One of the things that makes Linux so great is the freedom of choice and the shear amount of options available so we can all use a distro from a person/community/company that shares in our values/ideals that we can then go on to tell everyone that they should be running it lol.