Why is enhanced weathering questionable? I don't really know much about it, but I was under the impression that carbon absorption by weathered silicates will ha

Why is enhanced weathering questionable? I don't really know much about it, but I was under the impression that carbon absorption by weathered silicates will have a dramatic impact on the planet over the very long term[1]. Is enhanced weathering just too slow, or is there more to it than that? [1]: https://en.wikipedia.org/wiki/Future_of_Earth https://en.wikipedia.org/wiki/Future_of_Earth