In reply to Michael Edwin.

To add to your point about silos.

Most of these block library / theme combos are trying to create a branded Gutenberg based pagebuilder ecosystem. So, Genesis, Ultimate Addons (Astra) , Coblocks (GoDaddy) , EditorPlus (now part of the Extendify ecosystem). etc. etc. I could go on.

Each library is part of a Theme ecosystem, now sure there's a "Free" version with the nags in your admin, but lets be honest about what the model is - it's to compete with Divi, or Elementor in the locked-in page-builder freemium market.

Now, if all these Block libraries are locking us in to freemium ecosystems, and unique styling / working methods ... what is their benefit over Divi/Elementor/Oxygen?
Speed perhaps, we can say that Gutenberg+ Atomic Blocks + Astra may be faster than Hello + Elementor Pro.

But are we really winning here or just trading one walled garden for another?