It’s possible to weld so poorly that you are really brazing, not welding. And what a hot glue gun does is really analogous to brazing rather than welding.

"A grinder and paint make me the welder I ain't"

I discovered when I first bought a MIG that there's a world of a difference between "I have a welder" and "I am a welder". I used to be bloody good at oxyacetylene, too...