Its simply too expensive to setup alternatives to the bluesky relay and appview. If there's only a handful of them then it's nearly as easy for a government to block all access, or for a ddos to take out a large portion of the network, etc. then if there was just a single provider.
Yesterday Bluesky went down. @eurosky.social servers worked but we couldn't communicate as we don't have an app. Our next step is to build everything we need to operate without Bluesky. We're raising €100,000 to build a European app backend supporting 100k+ users. Let's do this fund.eurosky.tech