Not true... they have pacemakers et al. A heart attack isn't the end for the majority of folks who have them.Same thing applies to iOS devices. And they are generally quite sturdy and long lasting.
Also, if your heart completely and suddenly fails, your body is bricked. But we generally last a long time too
In other words: bit of luck involved, but all in all nothing I’d worry about.
All in all, a soldered SSD basically makes the device a throwaway device. Great for Apple. Terrible for consumers.
iOS devices are generally throwaway devices. Always have been. A desktop computer has never been in that category until now.