I use a subset of the extensions you mentioned. I also use this bookmarklet to hide nested comments in long threaded lesswrong pages like the open thread; then I open only the interesting threads selectively to limit distractions.
I use a subset of the extensions you mentioned. I also use this bookmarklet to hide nested comments in long threaded lesswrong pages like the open thread; then I open only the interesting threads selectively to limit distractions.