I’m not a fan of all the gamer aesthetics, but Garuda works so well out of the box.
I tend to recommend Linux Mint (cinnamon) for newbies to start with so they can get over their initial shock, and then Garuda when they’re more comfortable and want something exciting/better gaming performance
They likely have chosen a lot of programs on the installer. I have had my current install for a few years and I’m sitting at 2029 packages