Jess, Mr super handsome Oscar probably get matts because he is a persian/ raggie mix?
My Vampire Floyd is a blue bi colour raggie, he has bunny soft fur and actually has the longest butt fur of all my cats, he keeps himself immaculate, He never matts.
Muki is my seal point raggie and she actually has quite a big wooly coat for a raggie. She maybe gets a tiny Matt every three months or so which is easy to remove.
Ragdolls do not have an undercoat like a persian. I don't have to brush my raggies very often.
The reason I say to choose a raggie is that they take a lot less care. You need to feed them / love them and change the litter. A ten year old kid might get sick of all the care a persian needs, especially if you get one with a big coat, it can take a lot of work to keep it in shape. It takes me the best part of a day to bath mine weekly.
I LOVE my persians, they are amazing wee creatures and are my babies. I am just thinking of me at ten years old, I probably would have left my mum to do all the hard tasks
Good luck with your decision, they are both amazing breeds.
Tis is my ragdoll Muki.