Games that require you to unlock the basic functions of the game can suck my nuts.
I have recently played 3 games that have forced a lengthy, unskippable tutorial section that runs for several hours of the game, just to unlock the most basic functions like buying the items, customizing features, multiplayer, and even 2-player split screen modes.
For 2 of these games (Armored Core 6 and Gran Turismo 7), the major draw for me was the MP and I haven't even gotten to check out MP yet because it's locked out until you get passed a certain point in the progression system. Fuckin' why do any developers do this? I just wanted to play with my sister but we have to get through most of the fucking game before we are allowed to do the multiplayer modes. Such bullshit.
I thought you were talking about mobile games or something locked behind a paywall before I read further and realized you're mad that multi-player is "locked" behind someone completing a tutorial. I haven't played either of the two games you mentioned by name but I would imagine that they are complicated/unique enough where a tutorial is warranted. It's kind of annoying if you just want to hop in and go, sure, but if "most of the fucking game" content consists of the beginning tutorial then you bought the wrong game to begin with.
GT7 isn't any more complicated than GT1-6. To have an unskippable tutorial in the umpteenth installment of a game go over the basic controls and mechanics of racing a car is madness. They don't actually give you any tutorial on the stuff that should have it, like manually manipulating the engine tuning, but they have several points of progression to familiarize you with the brakes and gas and steering. Which anyone who has driven a car or played a racing game can very much figure the fuck out without a tutorial.
Tutorials are designed for the dumbest person out there who has zero idea what they're doing. So in this case someone who has never driven a car or played a racing game before. If a tutorial told you "this works like the last game, do the same" it's obviously bad design. Yeah that's a super small subset of the people playing the game but it's better to overexplain than underexplain. But in this case yeah they should 100% just have a separate tutorial mode section for people who need it, having that REQUIRED in a racing game is ridiculous. I haven't played racing games in years but last I remember that's what used to be the norm.
Based on what you and others are eating about GT7, I'm not sure this will totally apply, but in my experience it seems like games will do things like this deter smurfs from making a fresh account and destroying low ranked players in MP. Not saying that is a good way to handle smurfs, or that these games are doing it for that specific reason, but might be something to consider.