I've dealt with people taking about this issue and for the love of god i was never able to explain to them as clearly as you just did. thanks for writing this comment.
IMO the majority has to understand why account creation cannot be free. Unlike other centralized platforms, accounts created on the steem blockchain is immutable.
PS. it's not only taking good names, an organized entity with enough time and resource can literally take any alphanumeric names from 1 to zzzzzzzzzzzzzzzz that hasn't been taken. Which considering the size and resource of the incumbent social media tech conglomerate has, isnt all that impossible.