No, lots of indie productions have gotten waivers for complying pre-emptively with all of SAG-AFTRA and the WGAs demands. Both unions have said that supporting these productions is good because it proves that the big players could easily play ball if they wanted to.
It’s not clear exactly why Davis is taking this stance, although it seems like maybe she objects to the fact that the project is backed by Amazon, even though it’s from an independent studio. Silverman’s comments, on the other hand, definitely seem somewhat ill-informed and I think she might want to speak to her union some more before opening up about this, because she’s clearly not on the same page as union leadership.
In general, when it comes to any strike, if an article is quoting a few select members of a union rather the union leadership, it’s probably an attempt to make the union look bad. In any collective agreement you’ll always find a few individuals who don’t agree, or just don’t get it.