I think it's more the result of texting than computers, because computer keyboards are very complex, whereas phone-screen keyboards are not, but I do agree about the cows' carers.
I get irritated by other printing issues — acronyms used to be all capitals but because that is more difficult on a smartphone, NATO has become Nato and other familiar sets of initials have become words, too. Is it because people speak their messages? I won't say 'they dictate' because if they did, they would need to express the punctuation
I am old enough to remember 66 and 99 for speech marks, but these are now universally shown in print as ' ' quotation marks. And quotes are sandwiched by those marks, too, which really causes confusion for dinosaurs like me.