It’s a shame that you feel you weren’t listened to.
However, in general I think we should be wary of concluding that the criticism was “ignored” just because people didn’t immediately do what you suggested.
If you ask for criticism, you’ll probably get dozens of bits of criticism. It’s not possible to act on all of the criticism, especially since some of this criticism is opposed to each other. Furthermore, it often takes time to process the criticism. For example, someone criticises you because they think the world is like X and you think the world is like Y. You think your model of the world is like Y, so you continue on that path, but over time you start to realise that the evidence is pointing more to the world being like X and eventually you update to that model. But maybe it would have taken longer if you hadn’t received that feedback earlier that someone thought the world did look like X and what to do if it did.
It’s a shame that you feel you weren’t listened to.
However, in general I think we should be wary of concluding that the criticism was “ignored” just because people didn’t immediately do what you suggested.
If you ask for criticism, you’ll probably get dozens of bits of criticism. It’s not possible to act on all of the criticism, especially since some of this criticism is opposed to each other. Furthermore, it often takes time to process the criticism. For example, someone criticises you because they think the world is like X and you think the world is like Y. You think your model of the world is like Y, so you continue on that path, but over time you start to realise that the evidence is pointing more to the world being like X and eventually you update to that model. But maybe it would have taken longer if you hadn’t received that feedback earlier that someone thought the world did look like X and what to do if it did.