They became mostly obsolete on land in the last two years, and majority was lost in 22, and they weren't even all that numerous to begin with. So not that weird for them to be mostly used for reconnaissance and those videos are boring or can't be shared.
Experience was between below average and poor due to other party being as uninterested and bored as humanly possible while acting poorly. Reasons were somewhat similar to your own and extreme mental stress. Honestly the best part was just hanging out a bit after and drinking tea/chatting about things.
In my circle people understand emails, and they aren't easily stupified by smallest things and don't rage quit on encountering first unknown word. I have no idea how people think and don't really want to.
Blog post insists on corporate metrics for conversions and whatever for registration flows, you on kids not getting simple concepts.
Fedi grows in organic ways and isn't an interesting place for everyone and that's fine.
Tbh it reads more like a concerned tech person thinks that everyone except them is confused little kitten, not like a list of a real problems that someone experienced. Some of the problems are real some are completely made up 'problems'.
On my own machines I don't use Secure Boot and FDE, on work machine I do.