The plan will not work to begin with, which is why China and Russia are drafting an alternative
China and Russia presented their alternative plan 2 days (iirc) before they passed the US resolution. The expectation was that they would veto the US resolution. With plenty of morally justifiable reasons, like the absence of a Palestinian state, they could easily present their own resolution as an alternative and win the moral highground.
They didn't. They passed the US resolution instead.
You aren't being strawmanned in any way.