Impossible to know, but there would be no better time for them to do so. Hezbollah has been training for years to pull off a cross border raid. With 100,000 missiles pointed at all points in Israel and a weak prime minister at its helm, Hezbollah may try to go for it all.
With all of the above being said, Lapid may surprise and instead of leading Israel to its destruction, he may just rise to the challenge and pull off the unthinkable.