What’s the problem with Rey’s vision of seeing her parents leave in a spaceship? I’m sure that would be extremely traumatic. Why do they have to be important people simply because she saw them leaving? Yes, the way it was setup left the audience wondering who are those people, and if we knew them. But the characters weren’t giving any fucks at all, except for Rey. I don’t see what’s the big deal about it. Simply because we saw them leave, it doesn’t make them more important or less, or changes who they are.
It creates an apparent discrepancy with what Kylo said and so people wonder why. I don’t know why it would matter if other characters care or not. I don’t need a consensus of characters to care about a plot element in order for me to think about it as possibly important. Whether it’s a big deal or not is yet to be seen. I’m not sure who you are arguing with or what about!