Straddling the centre ground on austerity led to Labours electoral annihilation in 2015. Recycling a Tory Brexit would have the same outcome.
My article in the Guardian, entitled: "Jeremy Corbyn, Are you really with your foot soldiers on a second vote"?
https://www.theguardian.com/commentisfree/2019/mar/13/jeremy-corbyn-second-vote-brexit-referendum
See also: My article on triggering article 50:
https://www.independent.co.uk/voices/brexit-referendum-alternative-facts-brexit-bill-white-paper-european-union-a7558886.html
On Brexit and Northern Ireland:
https://www.independent.co.uk/author/tess-finch-lees-0
https://www.independent.co.uk/voices/brexit-good-friday-agreement-northern-ireland-troubles-violence-ira-border-a8297406.html
https://www.newstatesman.com/politics/uk/2017/12/island-ireland-wants-move-past-if-brexiteers-will-let-it
On immigration:
https://www.independent.co.uk/voices/now-my-eight-year-old-thinks-he-could-be-deported-because-of-leave-rhetoric-clearly-its-time-to-face-a7095016.html