When someone writes a sentence, uses a comma instead of a conjunction

When someone writes a sentence, misses out word

twitch

Is this considered grammatically correct in English? As far as I know, this form is correct when you're listing something, but the last element must be preceded by and.

I don't mind it as a stylistic choice, as long as it isn't overused.

Hey @Cevilia@lemmy.blahaj.zone could you please edit this post to include text in the body? You could use it to elaborate on your original point. We just want to encourage more high quality posts rather than ones that are just a title. Thanks in advance.