Not even being doomer, but all you have to do is log in and see how few people there are hanging around, even on Aether.
I've been around since patch HW and have never seen the pop so low during a lull in content, even in Endwalker patches I saw more people hanging around.
The hunt train argument doesn't hold a lot of weight because that's a certain part of the community that loves doing that every day and making trains for it; there will always be people around doing that.