Well what a coincidence to see your post identical to mine. I haven't refreshed the page within the time span of you posting so I thought I was the first haha.
While I agree that Uber has established itself as "the most unethical tech-company of our time", the difference is that Facebook's business model is kind of unethical - hoarding of personal data on its users to sell to advertisers.
While Uber's business model is merely providing people with utility.