Personally, I find shooting with a relatively small sensor and wide lens a particularly challenging thing to do as I opt for the opposite using a long lens pretty much wide open on a FF body. This allows me perhaps the lazy crutch of using the DoF to isolate the climber. I've also been quite fond of using my 17-40mm at f/4 with something relatively close in the foreground to give the same effect.
Pick climbing partners that are neat or tidy up the base of the crag. It's a lot easier than post (abandoned IBCs are another matter).
Depending how much of a perfectionist you want to be in terms of removing distractions, in photo 1, the quickdraw at the top of the photo (things intersecting the edges of the photo are usually more distracting) and items on the ground could be deleted. In photo 3, the bush at the edge of the photo could go.
I bought a new camera recently (Sony A7 IV) and am still getting to grips with how complicated everything seems compared to the last one I had