[BrianL99]

Originally Posted by Rainger99

Should it have been a penalty?

And should it be two strokes?

One for causing it to move?
And one for not replacing it?

If you don’t see it move, how can you replace it?

And not every shot of every player is shown close up on camera. Players should be treated equally.


British Open: Shane Lowry penalized 2 shots in golf rules conundrum - Yahoo Sports

The rule is perfectly clear.

See USGA (& adopted by the R&A) Decision 33-7/4.5 adopted April 2011 & Decision 18/4 adopted effective 1/1/14.

The ball moved.

Also see definition of "moved" USGA Rules [Definitions]

Moved

"When your ball at rest has left its original spot and come to rest on any other spot, and this can be seen by the naked eye (whether or not anyone actually sees it do so).

This applies whether your ball has gone up, down or horizontally in any direction away from its original spot.

If your ball only wobbles (sometimes referred to as oscillating) and stays on or returns to its original spot, your ball has not moved."