There is no one size fits all.
IMHO, it is a variety of approaches.
Today's kids are brought up on a cell phone.
It is that simplicity they are used to. And if that is what it takes to get them to take pictures, so be it.
When they hit the limits of the cell phone, like when they are trying to take a picture of their kids on a sport team, then they have to go up model, to something with a tele. It could be a bridge camera with a long zoom or an ILC. Whatever works for them.
If they find that the bridge camera does not do the job, then they go up model again to a dSLR or mirrorless ILC.
A person can stop at any level along the way.
And you have the person that has the $$$$$, and goes directly to a high end dSLR/mirrorless.
The camera is expensive, so it will take good pictures.
The size of the camera can be a barrier. I've had people preferring a mid/high end P&S, like the Canon G series, over a dSLR, because it is smaller, less bulky and lighter.
Like was mentioned, for a beginner, the bridge and ILC has to have Auto and scene exposure modes. I've seen MANY people using a dSLR in Auto or scene mode. They are not ready or willing to go to Aperture or Shutter priority, much less manual. Thankfully today's cameras have the option to go from Auto and Scene, to P, to AS, to M, so we are all covered.
I have seen them. Parents shooting pro gear, but only in Auto, because they don't know how to use the other modes.
While I grew up in the film SLR era with a manual camera, I recognize that many people today would not be shooting pictures, if they had to use a manual camera. So IMHO, the auto and scene modes are more critical for the beginners than Canon vs. Nikon vs. Sony. Or P&S vs. various dSLR/mirrorless ILC.
To a degree, I face that issue at school each year.
Each year I teach the yearbook students to use a dSLR (Canon T7i), when for most of them their cell phone camera is what a camera is.
The yearbook had T5, but I started purchasing the T7i for technical reasons. This was primarily the higher max ISO, for night and gym sports in low light. For day time, the T5 was and still is a perfectly usable camera.
Most of the kids never get off Auto and Scene modes. The ones that use ASM modes, have a photo background before they joined yearbook.
They also don't understand lens selection. The lens that is on the camera is what they normally use. Luckily, that lens being an 18-135 has enough range that it does 80% of the job. The 18-135 is in a way, similar to the Auto exposure mode. We have other lenses, but few use them, without being told to use a specific lens for a specific shoot.
My other group (the Athletic Director's Sports Leadership class) is going to be using Nikon D5600 + 18-140.
In this case, they are starting from scratch (vs. yearbook which had Canon gear). The decision to go Nikon was mine. I am a Nikon shooter, and Nikon is easier for me to teach and help the students.
When a student with a Canon needs help with the camera, in some cases I had to send them to one of the other students who owns a Canon, or tell them I can't help them. That is frustrating to both the student and me.
Like the yearbook students, despite my lessons, I expect they will primarily use Auto or Scene modes.
Conclusion:
For a "beginner," it matters less than people in the industry make it out to be.
Canon - Nikon - Sony, it does not matter.
D3500 v. D5600 vs. T5 vs. T7i, vs. T7 vs. T8i, again it does not matter.