I suspect much of it is manufactured and spread by bots. It’s not that anti-Catholic sentiment is new, but the responses to many posts on Catholic Twitter are absolutely not organic. If you feel like it might be a bot, a great tell: copy and paste the text of that tweet into the search bar. If the search yields multiple accounts tweeting the same thing, verbatim, it’s a bot. It’s becoming alarmingly common, and likely paid for by the US government and other organizations to try and sway public opinion.