I don't know why this matter though, Shenmue was as "hardcore" as milk with honey.
You couldn't loose, you could retry everything or there were other paths, the difficulty decreases, you had hints everywhere, the most powerful move is pressing forward forward punch, and the most "strategy" the game uses in combat is blocking/dodge and counter attack, but you can beat 90% spamming elbow assault, come on.
The only "hardcore" thing about Shenmue is that has quite a time investment floor.
But I guess this thread turned into trolling so gradually I didn't even notice.
No offense but I think you're really underselling the difficulty of Shenmue. The way that you describe Shenmue makes the game sound absolutely awful and does nothing to explain why so many of use regard Shenmue/Shenmue II as one of the greatest games of all time, even well over a decade later.
I bet you've played Shenmue so many times that you've completely forgotten how challenging it can be. At the beginning Shenmue throws you into the deep end, with no clear instructions and certainly none of the sign-posting common to later open world games. You get the most out of Shenmue by discovering all its hidden details and then choosing how to interact with the world. Going throw life spamming the elbow assault misses the point of the experience entirely.
I don't know how Shenmue 3 will be received at launch. I'm sure some in the media will attack Shenmue 3, as they have done in the past, just for those clickbait page views. But I don't care about that at all, what matters are what gamers really think of Shenmue 3. The original Kickstarter campaign of Shenmue 3 was a success because the game had become a genuine legend on the internet.
I believe people backed the campaign because they realise Shenmue offers a different kind of experience to what they can find in modern games like GTA V. The vision of Shenmue represents a more hardcore direction that open-world games could have followed, emphasising smaller but highly-detailed worlds, over the vast but empty sprawl that constitutes an open world environment today. I want gamers to see Shenmue 3 on its own merit; this is the hardcore experience they paid for, even if they don't fully understand what they're getting themselves into.