So why are tenses so important?
Why do we need to take care whether the action we are referring to ends with an -ed or -ing?
Moreover, what impact does the incorrect tense have at all? The message gets across anyway, right? Wrong!
It is common knowledge that any article needs to be readable (meaning well-written and edited) to keep the reader engaged.
A badly written article is the first thing that puts a reader off. They may still be able to brave a boring story or a questionable point of view but not bad grammar or punctuation.