100%. This is why FOSS and self hosting is so important. Just like Bitcoin, running even a basic home server can be a big step forward twords not reliying on large platforms for hosting your personal info.

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Mullvad, Lightning, Tor, Nostr...

Very true, first one needs to build a privacy ecosystem starting from a router with openwrt, then a PC with coreboot/libreboot running a good distro like Debian or arch. As a phone a pixel with graphene or a Linux phone. An own server like youhonost hosting your own e-mail, xmpp chat, nextcloud, adguard home etc. Then one build a node preferable with raspibolt. This is how I see it, but still have a lot to learn.