I am also continually amazed how many guys think their little 110 volt welder they got from Harbor Freight will do the job just fine.
I ran a welding shop for 25 years. if you came into my shop it was welded with a Mig welder. The old Lincoln tombstone sat back in the corner, under the bench.
I would say probably 80% of the work I did was repair broken poorly done welds. This is nothing new. Gene