Never catching up to one's taste

How bad can it be? I mean seriously, how bad can one's writing be? I try to write with proper grammar, I try to not make typos. Someone who knows English can read this just fine without too much effort. What is wrong with it? No, seriously, if I write like this, who is to say this is bad writing? Now, I know that this isn't great writing, according to my own taste (I don't even know if it is a…