The issues here are much more complex than that and go back several years of mismanagement by the upper staff that led to the striking in the first place. They filed their first bankruptcy in 2004, long before any striking took place: [link]
Anyway, good riddance anyway. Their employment policies were lousy, their Wonderbread honestly sucked and they're not the only ones capable of making Twinkie-like cakes anyway.
Currently, yes. After the initial decree to close, bankruptcy judge ordered mediation attempts with the union stating the union had serious flawed logic in striking. Those attempts to reason with the union has now failed again.
The Unions at Hostess were never dismantled. In a way you could blame the management for not taking on the unions years ago when the company still had the resources to dismantle them. If they did that Hostess would still be in business.