I agree. I think Burnham is the best of the likely winners of the forthcoming Labour leadership election, and by a long way most likely to be receptive to a deal (or deals) with the Green Party.
It's also noticeable that the (not unjustified) left criticism of Burnham tends to be silent about which likely winners of the Labour leadership they would prefer. Streeting ? - on the grounds that he would further speed Labour decline ? But wouldn't this make ReformUK more, rather than less electable ?