Sorry Flecc (not going back to find post) but unfortunately it's your very thinking that's keeping Labour out of contention. Your whole concept is that Tories are as bad, electorate are wrong, mis led by Tory press, and it's not the fault of Labour and their divisions.(suspect there is more media bias towards left than right now) Let's face it Flecc Tories have hardly pulled any trees up, quite the reverse, but they are way ahead in every respect, and that's after an 80 seat majority.
If Labour don't take a good look at themselves, stop the factions and make themselves relevant to voters and not the idealist Liberal PC brigade they will never get in no 10. We have more chance of Starmer getting some semblance of power with abolition of party politics before current Labour offer viable alternative.
Voters don't want Len McCluskey, Unite or Momentum running country. Sorry Flecc, they just don't, no matter what policies they come up with.
And, you are right, Tories have adopted many policies Corbyn suggested. That's to Johnson credit not fault. Think we, ve got most left wing, high tax, big government Tory cabinet in history.