Tricky, without actually knowing how widespread it was throughout the game (the Armstrong defence...). But I think, assuming not many other teams were doing anything quite so extreme, it's pretty much reprehensible.
The world's premier reverse swing bowler seemingly less successful now his teammates aren't sandpapering the ball to encourage reverse swing? Yeah, seems entirely unreasonable to even consider whether there's correlation...
Tricky, without actually knowing how widespread it was throughout the game (the Armstrong defence...). But I think, assuming not many other teams were doing anything quite so extreme, it's pretty much reprehensible.
This is also pretty thought-provoking: https://www.stuff.co.nz/sport/opinion/109728513/starc-decline-statistics-show-why-the-english-are-cynical-about-the-last-ashes-series