So that's why changes wouldn't always take effect! After all these years, lol, i finally know.. thanks for that tip
*Edit: If i may ask a related question, is there any downside to having multiple same entries in the hosts file? Asking because so far i've got my own list (which includes everything the 'ready-made' ones don't have), the windows/microsoft-related list and
a general hosts file list, which is huge. Using Ctrl+F to search if a new entry already exists is fine, but when a new.. new.. list is to be added with 294746528 new entries, that's a bit too much for me to check.