Depends on who you ask.
I met the oldest guy to climb Everest, at that time. $$$
Never a word about the Sherpas, like they were not there.
Others proudly compare themselves to the Sherpas.
The Sherpas maintain a system of aluminum ladders over the more technical sections.
You still need to be in top condition and have a fat wallet.
I do not think they were using ladders with Tabli?
One minute on ladders.Not osha approved!
https://www.youtube.com/watch?v=f02-vhmd7Ss
On top of that, it's one way. Ya gotta wait your turn in both directions.