What’s the matter with the blind rivets not being tightened?

There may be the following two types of riveting:

1. The aperture is too large, and the diameter of the rivet is too small, and the expansion of the rivet is not enough.

2. The length of the pull stud is too short to be riveted.

https://www.yukerivet.com/news/what-should-i-do-if-there-is-a-dislocation-between-the-stainless-steel-plate-and-the-square-tube-with-countersunk-head-blind-rivets/