Yes. Targeted advertisement, and the resulting money, is the entire purpose of Facebook. Automation just makes the process faster. And cheaper; you know, that whole money thing.
I abhor both Parler and Facebook. In the context of these threads, I don't think either has done anything illegal, which is what passes for "ethics" in our economy. Of course IANAL.
I don't think Apple, Google and Amazon did anything illegal to Parler. And until these kinds of companies are legally and explicitly made into utilities, I don't think we can expect them to do anything except whatever they want.
They want to target their ads in general, but they don't actually want to sell military gear to insurrectionists. It was just the AI working too well. Once they noticed, they have now blanket banned such ads until after the inauguration: