If you’re seeing “No Subscribers” or “0 Subscribers” on a channel when you know that’s not the case, we’re experiencing an issue with the way sub counts are displayed – it’s happening inconsistently across a number of channels. We’ll let you know as soon as it’s fixed!
If you want your site to stop breaking, leave unbroken things alone and fix the innumerable things which 'are' broken. Figure out what works and go with that. Perhaps get the opinions and suggestions of your users and go from there. Too many screw-ups and people will jump ship.