Nonsense. Wukong has all the hallmarks of Soulslike except for one element.
if the defining element is missing, it is a pretty big deal I'd say.
let's agree that it is a full blown RPG... what exactly are these Souls Elements?
Stamina bar? nope, that's a pretty common RPG element that the souls games did not introduce.
Dodging? nope, also a generic game mechanic.
you can't even point to the level design as WuKong has very simple level design and is almost a boss-rush game where the level design around it is just window dressing.
which elements does it have, that are distinctly something Demon's Souls brought to the table? none, because the only actually new element that Souls games brought to the table was the Soul Retrieval system... it's the 1 main defining feature. the rest around them like the respawn points, or like being an RPG are what completes the subgenre, but the subgenre is wholly distinct for the soul retrieval system.
you can find games with respawn points that refill your health, you can find games with intricate level design, you can find games with stamina bars, with lock-on, with dodging...
it all existed before Demon's Souls.
the 1 new thing, the 1 feature that is unmistakably unique, is the soul retrieval system. this system is what defines the games.
without the soul retrieval system the entire tension that these games try to evoke is gone. if you don't care if you die or not, if there's no danger and nothing at stake, then the entire concept of Demon's Souls is gone.
the soul retrieval system is what binds all the elements together, it's the glue that makes them all make sense.
the soul retrieval system makes you play methodically and be on your toes at all times. the system makes the choice wether to sit down on a bonfire meaningful... it's a risk to not sit down, but sitting down has possibly ramifications if you want to explore the whole area as everything respawns.
the soul system makes losing to a boss actually mean something, who knows if you can get your souls back now that they are trapped in the boss arena? maybe the boss will kill you before you can get them back... maybe you focus too much on getting them back and that makes you make mistakes.
the high difficulty also needs the soul system to be there, because if every enemy can destroy you if you aren't cautious, it makes the possibility of loosing all your souls a constant threat. it all works hand in hand
the soul retrieval system is the heart of the Soulsborne games. it makes them work. if you remove it you remove the essence of them