So what is your view on a lineout throw that is not contested?
Do you subscribe to the view that if the non-throwing team chose to not contest for the ball in the air, the straightness of the throw is not an issue?
Play on. No one came along to the rugby to watch me blow my whistle about a pedantic lineout call, get the ball into play and talk to the hooker on the run or at the next lineout. "You were lucky they didn't jump otherwise ball not straight".
Then we come to scrums. Many hookers choose not to hook for the ball because it is not rolled in to the scrum anywhere near the centre line of the scrum. There is no viable contest for the ball. If yappy cheating runt halfbacks actually fed the scrum in a manner that encouraged a contest, the #2's may have to relearn the lost art of striking for a tighthead.
Depends on the situation, there are a number of variables here but I believe the feed should be credible.
The answer to your questions HJ revolves around the material effect of the decision. With a lineout, the team chose not to contest, so they were never a chance of winning the ball. Having said that, the throw needs to be credible ie within the confines of the lineout.
Does the hooker choose not to hook or do they choose to have an 8man shove on a 7man pack? 11, 22, 33 calls etc etc? Have to look at these individually, but overall feed should be credible.
With regards to the team not contesting at the lineout, I've watched replays of the JWC and definitely don't agree with the PK against the attacking team for the defenders choosing not to engage. Why should the defending team be awarded for this tactic?