AFAIK the building they're striking in front of is mostly empty. It's near World Trade and most folks on that street will be tourist taking pictures of the Oculus, and the only people hearing them are probably folks living in the one residential building there.

So pissed off residents sick of listening to the generic chants, and tourists who couldn't give a shit, alongside the 6 employees who actually work from the building.

Whats the point exactly?

I'm also not 100% familiar with the context, but afaik they had a strike last summer and did have a contract. They're just no longer happy with it after 6 months. From an employer's point of view, there's no incentives to give in to the strike since they could give them what they want and then they come back in 6 months with the exact same arguments.

I think unions are a good thing (for most cases. There are exceptions), and fully support strikes, especially for professions that don't have much leverage otherwise, but this one was poorly thought up.