So because it isn’t identical to South African apartheid, then it can’t be apartheid? They are two different circumstances, of course they are going to be different.

No public places are ethnically separated.

Gaza itself is ethnically separated.

Edit: Oh look at that, if it isn’t consensus: https://en.wikipedia.org/wiki/Israeli_apartheid

Here’s a particularly relevant section: https://en.wikipedia.org/wiki/Israeli_apartheid#Comments_from_South_Africans