Its leaders are dead
Yes, some are; and new leaders have stepped in, as what always happens
Its ranks are depleted
There is zero evidence this is the case, but because the Israeli genocide has been so brutal westerners and their media just assume it’s true. Over the course of the last year, the Resistance in Gaza has shown absolutely NO reduction in its ability to fight. I would say the Resistance’s ability to fight has either held or even possibly increased over the last year.
Just to add, the idea that western countries do not subsidize their exports is laughable. I don’t doubt that in many sectors, western governments - both now and in the past - have subsidized their industries to far greater degree than China ever has with theirs.