The pound is low against the dollar, as is the Euro low against the dollar. The pound dropped in value a few days ago, but the price has recovered since then. The media chooses to focus on the drop rather than the recovery, because the drop coincided with a government announcement of some pro-growth economic policies that mainstream pundits disagree with. If you speak to people in the U.K. many would agree that payin…
I wouldn't say that it's just "some people on the left" - I dont want to place myself on either side of the fence but sky news are doing interviews with cross sections of Conservative / Labor / Swing voters and most of them think that this is Truss's fault.
You are correct that this has coincided with the dollar making gains against most other currencies, and the effects of the mini-budget may be difficult to dis-entangle from that, but from the people I've seen interviewed, most people agree that the mini-budget has at least made things worse for the pound. It's worth pointing out that the pound has fallen significantly against the euro too[0].
[0] - XE dotcom