How do you know what Nicky Butt is like as an assistant? Or Ryan Giggs?
Your post is filled with weird scenarios, hypotheticals and guessings, none of which is important to your original post, that Ryan Giggs would be a bad influence if things go bad.
There's just no reason to believe so, no matter what his standing with the club is.
The assistant takes part of training. His job is not to motivate players, thats where the manager comes in. So nicky butt or anyone would make a good assistant as long as they are knowledgeable about the game and have good interpersonal skills.
Hypotheticals yes, guessings, well everything is speculation. I dont know what you are talking about weird scenarios. It is pretty simple. van Gaal has a huge ego. he falls out with players. Now i am suggesting that if a player falls out with him and giggs sides with that player maybe not publicly, then you have a serious problem.
One of the reasons moyes faltered is that he lost the support of key people in the club from early on. Ferdinand was tweeting, G neville and David may were on tv, as was scholes. RVP didnt like the training. Danny welbeck threatens to quit. All this leads to a manager who isnt respected, the morale is low and the team suffers
When ferguson was in charge this rarely happened and when it did, it was dealt with swiftly.
Now i am entitled to my opinion as much as you are to yours, so please dont insult my post by saying it is weird. What i am suggesting happens in clubs all across the world. Disagreements happen in football and many of them happened under ferguson and he was ruthless in getting rid of them.
I would have preferred kluvert to come in because he would unconditionally back van gaal regardless of what happened.