I owned a Jennings J-22 and a J-25. The J-22 was the third pistol(fourth gun) I ever owned, and was purchased to be something for summertime concealed carry - It was 1987, I was a college student and didn't have a lot of dinero. And I didn't realize how ineffectual a mousegun might be.
It always worked fine for me. It liked Stingers, and with them it didn't have problems.
I bought the J-25 when I was managing a gun store. I owned lots and lots of guns, and lots of CCW guns, but my experience with the J-22 was favorable enough that I thought I'd go for the $34 price tag of the .25 (I was on a .25-collecting roll at the time - don't remember why).
It, too, worked fine. It wasn't as pleasant to shoot (somehow) as the J-22, so I didn't really use it beyond a couple of boxes.
Don't know about Hi-Points, and don't know about those clunky .32s/.380s Jennings came out with later. I liked the teensy Jennings pocket pistols. I don't have them now (can't bring myself to rely on a .22/.25), but they worked for me.
But, what would ever possess a TFLer to start a thread with such an inflammatory title?