You always have the option of taking control. The prepared man has great advantages in getting his way vs the unprepared. If there is no structure or agenda, make one. If the leaders are weak, become the leader.
Pass out a paper with agenda items, see what happens.
This can upset people, sometimes, but they will at least be forced to respond.
Oh, I’ve done that very successfully at quite a few jobs. It is sound advice.
In my current situation, my boss would fire me very quickly. He’s very keen on the idea that He makes every decision and I am paid to support him and never get uppity. He likes pointless meandering meetings because then he gets no assignments.