Mind you, we're having this conversation on a link aggregator site owned by a company...
Reddit is convenient. It's literally all your interests in one place. And for some interests, it's the best place to go.
Most people don't care who owns the platform. Someone always will. It's as abstract as someone telling them that they shouldn't be letting Apple or Microsoft control their OS. To a regular person, the "Linux alternative" isn't freedom, it's letting Canonical run the show.