Imo, the millions on explosive deterrents would still be spent, whichever party was in Govt.
Perhaps BS was too strong, but I feel like a lot of Corbyn's policy serves to drive UK business away from the UK. I know some small business owners (just shops, nothing big, who are Labour voters incidentally) who feel like they'd be out of business in a year or two of Corbyn's last electoral proposals.
I note you didn't defend the racist element.
On the other hand, Conservatives are the devil we know and I can't stand the current lot.