Agreed. But many games were ruined by mistakes before VAR too. Having reviews leads to fewer mistakes, surely. It would be surprising if it didn't.
If you want the wrong decisions made quickly then abolish VAR. I prefer getting decisions right more often.
This has me wondering something: how much of diving and feigning injury is coached these days? Because there's certainly cases of players injuring themselves diving, as Sandro Tonali demonstrated the other day, and given Rosicky played for Wenger's Arsenal who were keen to hurl themselves to the ground at the slightest hint that somebody might potentially make something that could be considered contact in 4-5 seconds time...