Respectfully, I still do not understand why anyone would have an aversion to calling shots and safes in a competitive game.
If the shot doesn’t go in the pocket you intended, that’s a mistake. You should not benefit from fate or happenstance that the cue ball or object ball falls in a flukey position where your opponent is now dead in the water. Two-way shots aside, it’s total BS when that happens for either player.
If I fluke in the 9-ball to win a game, I don’t feel good about it. Sure, I’ll take the win, but inside we all think to ourselves “wow, that was bullshit.” Regardless of how often that does or doesn’t happen, legally smacking a combo’d 9-ball six rails and it happens to go into a random pocket should NEVER result in a win in a game of skill. That opportunity should not exist.
Competitive games should strive to reduce luck-driven variance wherever possible. We’ll never remove all luck (e.g., there could be a speck of cloth on the table that shifts the CB path by 0.013 degrees and causes you to miss), but we can adjust simple rules to drastically reduce flukes and unintended leaves that result in “wins” - so why wouldn’t we in competitive rotation?