@KM Sometimes things seem to be obvious but ppl prefer to ignore them. That's exactly what happened after Moyes' appointment, ppl were concerned about his negative mentality and tactics, about his lack of experience at the highest level, about him bringing in midtable coaches, etc. But as weeks passed by, most of us chose to ignore it until it just wasn't possible anymore to do it.
Now with Giggs, there are possible negatives which just cannot be ignored. LvG hasn't even been appointed yet and you have already heard our current players, SAF, Giggs' ex mates (Robbo, Brucey) and his friend and ex teammate Gary Neville (who is a pundit, and still very close to Giggs - they now even own a cafe, club and I don't know what else together) claim how Giggs should be kept / is the man for the manager's vacancy / United needs a British manager, etc.
Giggs has too many ties within the club whereas LvG has none so far. Giggs has only been United stand-in manager for 2 weeks and we have already heard the term "The United was/philosophy" countless times. So ppl might have justified concerns how Giggs will act or what he will do when LvG prepares us to move on, to have a completely different training, to play a quick short passing game, to teach our players (especially the British ones who the Class of 92 prefer btw) some tactical awareness, not to get the ball out at wide at every possibility (Have you forgotten how Neville behaved after RM beat Bayern and how he emphasised that we had to play like this without mentioning once that this way of playing cost RM 200 mil for two players, and without mentioning that they had Xabi Alonso and Modric in midfield who allowed them to play like this?).
Maybe Giggs is smart enough and will appreciate LvG, but so far they (Class of 92) haven't shown anything which suggests they even realise that our 442 is out-dated, let alone appreciate another style.