VAR should in theory be a tech that improves the game, if used correctly. When the final decision is still being made by corrupt self interest officials than this becomes a better platform for them to justify their corruptness.
And the " clear and obvious " rule, more of a benefit for teams like " you know who" when trigger happy refs will award them a pen in the first instance, and you have to get that subjective "clear and obvious" to rule it out, and not vice versa.