You'll have to be more specific about "the current backlash"
No the real solution is people actually need to be taught critical thinking skills at school. It's not Facebook's role to be the next nanny state.
Now one could argue that yes, Google and Facebook did profit financially from "fake news" during the last election because they make money from "attention", and did nothing to stop websites relaying misinformation because they were displaying Google ads or misinformation relayed on Facebook pages. Was there a "conflict of interest"? Always.