Do you think the DPRK is a democratic republic?

It's always the people who understand the least about DPRK who say this stuff. As if you've investigated deeply the inner workings of their system and aren't just going off vibes.

How are you a communist?

There's two paths to talking with a communist. Either they're a tankie and start singing the praises of the USSR and PRC and all sorts of totalitarian hellholes, or they start talking about hypothetical economic systems and states which haven't been shown to be practically achievable. I don't say this to be a dick, man. I much prefer the utopian idealist communists over those who cheer when political dissidents are machine gunned for wanting democracy. But it still doesn't make libertarian communism a workable system, whether it's anarchic communism or democratic socialism or some other form of stateless society.

So, I am happy to be civil with you, I just fundamentally disagree about whether attempting to achieve those ideals would end well. In my opinion, it would have one of three results - anarchy and a breakdown of the economy, imposition of totalitarian rule in reaction to groups of people who don't want to give up their private property rights, or reversion to another form of economic structure, like capitalism.