In reply to swiftvince:
Ailefroide had been getting busier and busier over the last few years, with queuing on many of the well known lines, most days in summer. Even some of the alpine rock routes, outside the Écrins park that used to be very quiet, have seen a big increase in traffic. Plus the sports cragging is also becoming very busy. It's still all great climbing but just don't expect it to be quiet.
This isn't a complaint, more a statement of fact, and I think it is just the way it is now.
More people climbing and more people heading higher to avoid the heat. Which in turn makes more people looking for quieter venues to avoid the risk of others. I don't think it's just the Écrins but a lot of areas across the alps.
You can still find solitude or at least a quieter venue. I was on a great 13 pitch bolted route, a few days ago. The face has 5 other routes on it, and no climbers on any of them. Today cragging with a crag to ourselves. But you have to pick the spots and times, which is getting harder. A good options is to go for the things that are harder or longer to access and skipping the honey pot or classic routes.
Maybe because of the above, I think people are maybe less likely to share the areas that they know are or have the potential to be quieter.