Normally I try to get past grammatical errors in scientific literature if they do not affect the meaning of the content. Authors may not be writing in their nat

Normally I try to get past grammatical errors in scientific literature if they do not affect the meaning of the content. Authors may not be writing in their native language, and the literary aspects of the piece aren't its purpose. When it's the third sentence in the abstract and the first of two questions that the paper is fundamentally seeking to answer, it does make me twitch a little.