I remember a video of a processing plant that 'lathed down' regular carrots to make baby carrots. I always thought that's what they were. Since nobody buys big carrots any more, pretty much all carrots are made into baby carrots. Because they sell.

> Since nobody buys big carrots any more

What?! Citation sorely needed. I do, and in my experience 'big' (I would've said 'normal') carrots are stocked more abundantly than any other.

70% of carrot sales by some estimates. I googled around; here's a typical summary

http://www.carrotmuseum.co.uk/babycarrot.html