One is a highly centralized system, the other is relatively decentralized. They have different threat models, strengths, and weaknesses. I would hazard a guess that your demographic profile is similar to the members of the current cabal that try to control USD's supply and value but to those who don't have similar priorities, crypto offers a different set of values than the 'traditional' finance system. The two aren't mutually exclusive, and the person you're replying to didn't say either would be 'just fine' without the other...
Not sure why you're proud of your inability to defeat a straw man!