it is lmao, you are just quibbling over technicalities. He is an immigrant because he is looking to stay in that country permanently and not temporarily.
That is this entire thread, including the OP, with whom you seem to agree. Why have you not complained to tkiolp4 that they are just quibbling over technicalities? To be frank, I rather suspect it's because "quibbling over technicalities" is something that does not concern you, except as it can be a convenient excuse to dismiss an argument you don't want to engage with intellectually.