I have to say it because no one else has yet. Vim, Emac, Nano, Pico, etc. has been doing this with good ol' fashioned SSH decades before this. It fascinates me to see editors constantly reinvented over and over. Is text really that complicated?
Next time you should just assume someone has said it and move on without commenting.
It fascinates me that people think that innovation should just have stopped dead in the late 1970s when all technology was apparently perfect.
If you can't see the difference between a text editor over ssh and a full IDE in a browser tab you need to seek medical attention; you may be having a serious stroke.
I don't think a tricked-out emacs config is missing many IDE features. What did you have in mind?