Option 1. Hire an English native speaker writer, but of very dubious quality. Because they live in first world countries, good writers are more expensive. And if they were great, they'd be published already, presumably.
Normally, unless the guy was a prodigy, the writing will be mediocre. Sort of like what
JarlFrank was producing for that German game - mediocrity.
Option 2. Hire a non-English writer, pay him less, but in his country that's a lot of money, so he'll be dedicated to you full time, and he's probably going to be of better quality. The only problem is that languages of different groups translate poorly into each other. That is my personal opinion as someone who speaks 3 languages rather fluently - Russian, French and English.