Debian added it ‘behind people’s backs’ in buster / Debian 10 when you updated from the previous stable. On one laptop I have I was still running systemd and it

Debian added it ‘behind people’s backs’ in buster / Debian 10 when you updated from the previous stable. On one laptop I have I was still running systemd and it took me quite a while to figure out why my dns resolution broke (I block port 53 outbound at my router and it was trying to use 8.8.8.8 despite my resolv.conf saying something else). It’s not just that they added their own caching resolver - it’s that it then ignores the decades old standard resolv.conf and hijacks system name resolution by default. That finally prompted me to remove systemd from the one machine I had it on.