Much fairer to be equally applicable; the people who have always been worst off with the current system are the middle-incomes where there are no/few grants, but families cannot support students (whereas the poorer got grants and richer could support).
This actually makes it far fairer, as from what I gathered, everyone will be entitled to a much higher loan, which is actually capable of covering living unlike now.
It's been proven before with loans rising that it DOES NOT put people off from coming to uni (perhaps sadly so).
As to the 'more debt' argument, that's what everyone else has now, so big whoop. The loan payback system is fab (excluding the negative effects for govt income..); and any discussion of what 'may' happen to it shouldn't be taken into account as it is totally speculative.