This would provide more ways to fingerprint users. It's also not possible to guarantee no sqlite update will ever change observable behavior, even if it happens

This would provide more ways to fingerprint users. It's also not possible to guarantee no sqlite update will ever change observable behavior, even if it happens to mostly be true now. Once you start giving special privileges to specific wasm binaries, the floodgates are open for a hundred different vendors to demand the same special treatment because 10% of websites use their .wasm blob. And then you've created a barrier to entry for competition. Nobody wins in the long run except a couple of your friends.