Cutting out the threat of Thanos and his outriders allowed the scene to breathe, and for Clint and Natasha to have one last tender moment with each other.
What’s more, the two Avengers scuffling in order to try and sacrifice themselves was unique type of action for the blockbuster.
It may have been thrilling to see Black Widow and Hawkeye team-up in battle one more time in the scene described to Business Insider, but I think that the correct version of Endgame’s Soul Stone scene was ultimately in the theatrical cut.