The acts make it illegal to cause distress by sending “grossly offensive” messages or sharing content of an “indecent, obscene or menacing character” on an electronic communications network.
That is incredibly vague and highly subjective. One could flag half of the articles on Pubmed as "indecent". Perhaps the onus should be on the government to put an interface online that scores a string of text and gives a receipt that shows the government approves of said string of text.
>Enter Text: Stop walking around the neighborhood showing Uranus to everyone
>Approved: Verification Code >d33db33f42<
>Enter Text: "Twitchy little ferret, aren't you, Malfoy?"
>Denied: Cruel and unkind insult.