I used to prefer ThinkPads but I've moved on. I have had lots of reliability problems with them over the past few years. I had keys fall off a newer ThinkPad keyboard (which wasn't user replaceable) and another new ThinkPad just die under warranty and the repair person damaged it further when trying to fix it.
I am on System76 now and have no issues and they do good things like right to repair and Coreboot.
If I had to choose a single laptop for everything, it would be the Toughbook 40. I have one for work and it has a 1200 nit display. It runs Ubuntu LTS perfectly. It costs several thousand dollars new but has swapable components, multiple batteries, and part availability is measured in decades. You can get an older CF-31 or CF-54 for a few hundred dollars and still find new components for it.
I used all of these at some point.