Proper illustration is so expensive that in most cases people are tolerating it because the alternatives are either very horrible (random clip art) or to make d

Proper illustration is so expensive that in most cases people are tolerating it because the alternatives are either very horrible (random clip art) or to make do without illustrations. If digital tools enable decent clipart that can be at least somewhat paired to the content, that will take over most of the market, because then it'll be just somewhat worse than proper illustration while being dirt cheap in comparison.