I been looking for pictures of him but i cant find any
There are certain factors that need to be taken into consideration, such as, his age and any underlying health concerns.
While I applaud your concern for other competitors - to simply imply it was his contest prep that killed him; without having known the person is a bit disrespectful to the person and his family.
We can speculate all we want about the man's death. It is merely conjecture; how about we just remember the person for his achievements on and off the stage?