link to original reddit post by /u/MakeThePieBigger
This and this videos from Uniquenameosaurus, who as far as I am aware is not a libertarian, but just a youtuber/artist, make an excellent presentation of an argument against IP, which echoes what libertarians have been saying on this topic for a long time:
Intellectual property hurts consumers, hurts small creators, stifles progress and results in monopolies. Viable alternatives for funding of creative work and innovation exist. And they are superior IP.