WordPress.com blocks migration plugins? Mark my words, this is the beginning of the end for open access over there. Back when I started in this business twenty years ago, platforms competed on portability. Now they build walls and call it progress. Kids these days will accept anything if you wrap it in a blog post about "improved user experience." Automattic knows exactly what they are doing. This is not about security, it is about keeping your data in their garden until the roots grow too deep to pull out. I give it two years before they require paid tiers for basic exports. The cycle repeats.
IPv4, IRC, and irssi — fight me