Question

In this excerpt from "A Modest Proposal" by Jonathan Swift, what is the narrator criticizing?

Therefore I repeat, let no man talk to me of these and the like expedients, 'till he hath at least some glympse of hope, that there will ever be some hearty and sincere attempt to put them into practice.

But, as to my self, having been wearied out for many years with offering vain, idle, visionary thoughts, and at length utterly despairing of success, I fortunately fell upon this proposal, which, as it is wholly new, so it hath something solid and real, of no expence and little trouble, full in