I've been a huge proponent for this game but I fear that I agree with most of what the article is saying. It really is just Roblox on Source 2 and cost $20. That $20 gets your access to the game engine which probably 90% of people will never touch (I haven't).
However the silver lining is that this is just the beginning. There are lots of AI slop and vibe-coded games on there, but as Garry himself said, eventually the slop will fall to the bottom and the quality will rise to the top. Errr... lets hope so.
This line has made me rethink the whole game from a new perspective:
I've always known this wasn't "Gmod 2", but it does feel too far spiritually to really be a spiritual successor. I'm still having fun with it, still recommend it especially to those who are interested in using the game making tools, but to everyone else I'd say give it a year or two and see where it's at. Either it will be better with high-quality and fun games, or worse with more slop (AI or not) made purely for the intention to boost engagement and profit, no in-between.