Maybe it's me, but only the first quote seems cumbersome, and wasn't very cumbersome in the article when I read it in context.
”I had no issues with complex sentence structure, therefore the whole planet is fluent in english and college-level literate”
Simpler language is an accessibility issue
Being able to easily, and quickly read scientific literature is not a universal trait. You're in the top 1% (probably top 0.1%?) if you're able to do that and actually understand the source material.
The average person has a hard time reading and fully understanding a newspaper article or cooking instructions on a pre-prepared meal.