A few projects were funded multiple times for different features, but I've not necessarily used the particular feature that received funding, so let's say 2% of grants benefited me in some way. I suspect that's a different 2% for most people.
It doesn't look like they're averse to funding Rust projects (none of which I've used, like HN favorite Servo), so unless the Rust Foundation applied for a grant and was rejected, I don't think you can criticize NLnet for not funding them.
Conversations.im https://nlnet.nl/project/Conversations/
Dolphin file manager https://nlnet.nl/project/DolphinAuth/
F-Droid https://nlnet.nl/project/Reproducible-F-Droid/
GPLv3 https://nlnet.nl/project/gpl3/
Jabber/XMPP https://nlnet.nl/project/xmpp/
Jitsi https://nlnet.nl/project/jitsi/
KDE Connect https://nlnet.nl/project/KDE-Connect/
LibreOffice https://nlnet.nl/project/LibreOffice-CRDT/
Marginalia Search https://nlnet.nl/project/Marginalia/
Mastodon https://nlnet.nl/project/Mastodon/
Matrix https://nlnet.nl/project/Matrix/
Nextcloud https://nlnet.nl/project/NextCloudSearch/
Nitter https://nlnet.nl/project/Nitter/
Oilshell/Oils for Unix https://nlnet.nl/project/Oils/
Okular https://nlnet.nl/project/Okular/
PulseAudio https://nlnet.nl/project/pulseaudio/
SeedVault https://nlnet.nl/project/Seedvault/
StreetComplete https://nlnet.nl/project/StreetComplete/
XWiki https://nlnet.nl/project/WikiActivityPub/
A few projects were funded multiple times for different features, but I've not necessarily used the particular feature that received funding, so let's say 2% of grants benefited me in some way. I suspect that's a different 2% for most people.
It doesn't look like they're averse to funding Rust projects (none of which I've used, like HN favorite Servo), so unless the Rust Foundation applied for a grant and was rejected, I don't think you can criticize NLnet for not funding them.