It's not too brutal. The main stipulation is that the free version is for non-commercial use. You gotta buy the packs for around $10 a pop, and you get get a pretty lax license. Unless you're trying to use Gen AI or NFTs.

Ah, good to point out, yeah.

The 'no resale' clause is pretty common for asset packs, but unlike Kenney these definitely aren't CC0.