Replacing players during a game.

A proposal done not long ago by a international tournament.
The same tournament where there is decided about the fiber fins.

To replays players that are hurt by a opponent to a level that they can no longer play. (on purpose or by accident)
I think it’s a good thing when it is possible. But that proposal is thrown away that time (why?)
Now its still rewarding to hurt/hit opponents unseen out off the game and so make the numbers
Side subbing players by the opponent smaller. Take that reward away and there is no reason to hurt an opponent
to that level to get an advanced because they miss a side subbing player or more.

Everybody here want more fair play (I think) Why not discuss that? Why thrown that proposal away?
I does happen during games. In all countries. And the reffs can not see something happening behind them.
(I forgot the country that did do that proposal? Does anybody now?)

Before somebody ask. No my teams does not play that way On purpose. (but an accident can happen always)
But we did have games were opponents did hurt players on that level unseen.
And most times we have replacement players with us because most times we must play more then 1 game.
But for that game we must play with a player less. So the opponent is rewarded by doing that unseen. Or by accident.
The result is the same. 1 player or even more less in the game.

So question
1: Why don’t have a rule that can replace those hurt players? (it can also happen in an accident!)
2: Why in the first place is that proposal thrown away?
3. What country did made that proposal?

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