According to major media reports, Manville's sense of security has eroded steadily since the 7 October 2023 attack on Israel by Hamas and the subsequent Israeli military offensive in Gaza. He was further shaken by an attack in the Golders Green area of north London and a fatal incident at a synagogue near Heaton Park, Manchester, where two men were killed. Manville, who knew people affected by the Manchester attack, told BBC News - England that he no longer feels safe walking down the street and lives in constant anxiety.
The Community Security Trust recorded nearly 4,300 antisemitic incidents in 2023, the highest annual total ever. Manville believes moving to Israel will make him feel safer despite the ongoing conflict, as he considers the threat there more predictable. He distinguishes between criticism of the Israeli government and antisemitism but believes some language at demonstrations crosses the line.
Manville has been shocked by online responses after speaking publicly about his decision to leave.