Still not quite right. The document was prepared by the civil service while Teresa May was Prime Minister. Teresa May is in the same party as Boris, not the opposition as you claim. Boris' team are claiming, not that this document is wrong, but that it is an out of date analysis, and that Boris has turned things around since he took office on 24th July. Perhaps he really is that good that he has done in 3 weeks what May couldn't do in 3 years (some of which time he was a senior cabinet member himself).

Paint it on the side of a bus, with 350 million other lies.