If that is your interpretation of someone losing the plot "completely", I think I understand where you're coming from, and why you think what you do.
I'm out.
Yes, because these are the words of a man that has "definitely lost it" :FFSPuncheon:
http://www.theguardian.com/football/2014/jan/23/arsene-wenger-motives-chelsea-juan-mata?CMP=twt_gu
Again, it adds even more context to what Wenger was saying, and also refers to the RVP situation, which has...
To put it into context, here's footage of the actual press conference. Words blown out of proportion, if you ask me.
http://www.bbc.co.uk/sport/0/football/25863298
I can understand how it is being interpreted by many – and a lot of people are pointing to the likes of RVP, Toure, Nasri, etc...