After what happened to Mat Honan almost two years ago, having insecure systems like Twitter "confirming" my pubkey seems more like a nightmare than a good idea,

After what happened to Mat Honan almost two years ago, having insecure systems like Twitter "confirming" my pubkey seems more like a nightmare than a good idea, doesn't it? And the fact that Keybase.io even suggests uploading your private key puts a big fat "AVOID" sign on the service for me.