Generally lighter & stronger
Generaly not in Thompsons case though, they’re actualy quite chunky. And I’ve only ever broken one seatpost in a crash, they’re all strong enough IME for “just riding allong”.
Dunno, I’ve got 3, but they were all on s/h complete bikes. The clamp is much nicer to install than most other posts though, I’ve bent Easton posts and had ritchey and easton posts clamps slip, I’ve not yet broken a Thompson in any way so I’m happy to keep them, but if buying new I’d probably get one of the knock offs like controlltech.
I do like nice looking bikes, I put some thought into my road bike’s re-build, but then de-stickered the wheels so the nice 1200g wheelset now looks like a cheap OEM one. My MTB’s are usualy juct functional and gravitate by trial and error (breaking stuff) towards kit that does the job and lasts, that does tend to be thompson, XTR and hope bits.