Just to play devils advocate here reroute. Yes DPA could have done a better job. They need(ed) to get more creative

However. Were they allowed to set up tables or communicate in crew lounges?

Did ALPA strongly threaten against leaving items (stickers, cards, stc.) in the cockpit?

Point being, every effort was made to hobble them from the get go by ALPA and the company. Its that darn recovery compact again