They aren't interested in Britain's internal affairs.It's all ridiculous anyway, the Israelis aren't interested in what UK political parties
That's why they have supporters in both main parties.
What Israel is really interested in is the UKs foreign policy in relation to Israel.
This explains the viciousness of the campaign against Jeremy Corbyn and the Labour Party.
The Prospect, however remote, of Jeremy Corbyn becoming Prime Minister,caused panic amongst the pro Israel lobby and the Israeli government.