I think you are suffering from perfectionism. You are in a healthy process of continuous improvement, keep discovering things that you could have done better. B

I think you are suffering from perfectionism. You are in a healthy process of continuous improvement, keep discovering things that you could have done better. But there could be thousands of engineers out there that could have benefited from being more like the version of you yesterday. The ones who wouldn't benefit from it would just move on to read material more suitable for their level. You don't need to worry about protecting them from making the same mistakes as you do.