this is the 2nd time i've ever seen something above 4o make an obvious grammatical error, i wonder how rare this is?

full image - Repost: this is the 2nd time i've ever seen something above 4o make an obvious grammatical error, i wonder how rare this is? (from Reddit.com, this is the 2nd time i've ever seen something above 4o make an obvious grammatical error, i wonder how rare this is?)