Because there are entire classes of people for whom tabletop RPGs do not resonate at all with how they like to express themselves through games?
Tabletop RPGs are writing short stories and playing Magic is like building with Lego. Both are ostensibly creative tools for self-expression. Writing fiction requires little up-front investment to get started, but you also start with a blank slate and need to synthesize almost everything from your own imagination. Building with Lego will cost you money to acquire a bunch of pieces from which you can build your own work. If you get one of those themed Lego sets, there’s going to be a template from which you can build upon if you don’t have any ideas out of the box, or you can just ignore it and go your own way. Over time you can build up a larger collection and maybe you’ll notice how parts from different sets can be combined into something you hadn’t thought of before, and that can lead you to building more ambitious things.
Tabletop RPGs are about synthesizing flavour out of thin air to flesh out your character (I admit this comparison is probably weaker due to my lesser experience with them), Magic is a game about assembling decks out of disparate parts that do something cool. Both are going to appeal to wildly different people. RPGs don’t feel like games to me, they feel more like an improv class or homework for a creative writing class, and that’s just not what I want to be doing in my spare time.
And yes, tournament/competitive Magic doesn’t really showcase this aspect of the game very well because everyone is aiming to win and builds whatever they believe is optimal. Luckily, the overwhelming majority of paper Magic players out there engage with more casual formats that serve as a venue to showcase this kind of deck building, and EDH, having 4 players and often just 1 winner, is extremely well suited for it because you’re probably not going to win most games. So most people just build a deck that does something cool, don’t worry so much about winning, and have a good time.
I dunno, your post really rubs me the wrong way. It’s hard to read it as anything other than “why are you wasting your time playing this garbage game when you could be playing these better ones” and I’m just tired of all the tabletop RPG players telling me why I shouldn’t be playing Magic and should be playing something I have absolutely zero interest in