I think that IF PM HAD AN Actual TROUBLESHOOTING Folder, LISTING ALL The MOST Common Issues, APN, Tethering, Etc. That may help PPL more readily, and perhaps cut down on all the Q&A Thng a bit.
Sometimes having JUST a Separate Troubleshooting Folder having ALL The Common Issues and Solutions IN ONE Folder can save PPL the Hassle of having to Dig Deep into the Layers, and Simplify the Process