Not correct. I have clients in their 60s who are using Fedora just for online shopping and the occasional document edit. Everything worked perfectly fine out of the box. Only had to tweak libraoffice to save in docx by default and that's about it.
If only bluesky supported activity pub. It would be useful as trying to get people to follow it even though its a 2 click process is only challenge. Especially when it's to someone who not technologically minded.
Mastodon required people to join a server which made out to people who are used to signing up to a single website for the past 20 years or such, seam too complex.
You also end up in a situation where social media managers have to reach engagement and impression targets and don't think which is best platform that will not be taken over Elon musk or Mark Zuckerberg style, but which will reach engagement targets the quickest.
However as you are in the EU, Facebook have to add 3rd party support to whatsapp. So that people on whatsapp can still message users who are not on whatsapp. Later in the future, group support will be added.
Thunderbird is very nice and lightweight compared with outlook. Picks up email settings more quicker and is much simpler to use than outlook. Recommended to all my clients.
What's stopping someone from enabling debug mode, downloading adb tools and running pm uninstall --user0 then the package name? Surely with the app removed, the app can't brick your phone. Or running a custom rom like lineage or graphine os?
Closest option is watomatic but it only works with whatsapp and Facebook messenger. There are talks about expanding it to support other platforms