Found these articles, very informative, I think your right IT but apparently most clips on the market will do the same. You need to read all three to get the whole picture. Just read the last one if you need info on what to choose - hint Spinlock didn't cut the mustard in several ways.
https://www.practical-sailor.com/blog/safety-tether-clip-in-caution
https://www.practical-sailor.com/blog/tether-clip-update
https://www.practical-sailor.com/safety-seamanship/safety-tethers-under-scrutiny
"Based on our testing, a variety of locking clips that are certified as meeting the ISO