Nonsense like this is why you shouldn't read news sites like the guardian.
Most of these are just hexagon grids cut into pieces, or square grids with a bump in them that they skewed so they look funky. "15 types" "discovered" my foot.
The whole point of grids in games is to simplify things. To break things into even, uniform pieces that are easy to use, easy to store, serve as a unit of measurement, etc.
The point is to use an identical pentagon to achieve one of these tilings, and finding such a thing is non-trivial. The point of interest is not whether the resulting grid looks 'new'. I'm not a mathematician, but I have a suspicion that all the larger tessellating shapes built from anything that tiles perfectly can be broken down into triangles (one level lower than the squares or hexagons you mentioned, as those can obviously be broken down into triangles)
Edit: I agree with your takeaway though.