I was more likely to click on context-sensitive ads. Most targeted ads I see these days are for products that I've already bought in the past few weeks, which just boggles my mind.

Edit: Even today, I'm still seeing ads for a subwoofer that I bought back in early August. Good going, Meta.

I bet that showing ads based on context is somehow limited to people being in that context (i.e. in a specific website for instance), while being able to draw an audience from the entirety of Facebook users (in the billions) is more profitable.