Why is there so little wallpaper and flooring in the game even in the expansions?

I'm always astounded by how little there is in terms of carpet. Not only is there not a lot of patterns, but also not many colors.

I have some CC flooring but it's mostly oversaturated compared to the other stuff in the game so I don't like to use it much. (and of course, not an option for console!)

Not to mention the linoleum section - there's, what, 5 patterns and they have like 3 colors each??

I tried and failed to start converting Sims 1 flooring to Sims 4. It's hard!