The speed at which the game is played can be slightly sacrificed for the sake of the accurate call, and the same article cited in the argument says, "players adapted in the second half by committing few fouls."
Even the players can adapt to the new rule in order to benefit from the correct call. The positive effects of a new VAR system outweigh the minor inconvenience of a few more minutes added to the game's runtime. It could also allow a few minutes for the players to get some much-needed rest in end-of-game, high pressure situations. VAR should not be dismantled simply because of a few extra minutes.