Coops good, but not perfect. A co-op is pretty much always going to be better than a company owned by few people. Replacing every company in the world with co-ops would make things inherently more democratic, but it wouldn't really be socialism as long as the profit motive exists. Imo co-ops are best suited to be used in rural agricultural areas, where people generally want more autonomy and it's impractical to have state beuracrats keeping on top of everything.