You used a key word imo = Maybe.
While he could get ellected it is sure to be a minority government and would need support from other party members to get any serious legislation through.

So how is he to get the Ring going. Only through some heavy spending and we all know how the NDPers are seen as debt generators. So what chance of him getting support?
None from conservatives, and liberals would try to bring down the government to have a chance to govern themselves.

There are no easy answers.