I guess the difference would be that there is nothing in Arminian theology that encourages legalism. But there IS something in Calvin’s theology that makes one sing, “Jesus loves some, are you one?”
“I guess the difference would be”
The real difference is that most people spend more time slinging ad-homs than they do debating what the Gospel actually teaches on sovereign grace and salvation. I guess they think that generalizations for their opponents makes for good theology.