Taking only a part of my post does not make sense in this context.

Open source is when the source code is available.

Free software is when the source is available and the license lets you exercise your 4 freedoms.

I’ve exclusively used Thinkpads with Linux as my daily driver since 20 years now. Programming, office, general tinkering (no graphics-intensive stuff though) - had almost no issues in the whole time.

IMHO for Linux, you really can’t go wrong with any Thinkpad nowadays.