Israel has no problem with "refugees" returning to PA controlled land. That has never been the issue. The "Right of Return" that Israel vehemently fights against is the RIGHT of refugees to return to Israeli controlled land as part of a peace deal. Anyone who doesn't understand this has missed the whole point of why negotiations have not succeeded for the last 20 years.
Several injured after Jerusalem protest march against Al-Aqsa restrictions dispersed (Haaretz)