Even if they sound like Anfield despite the end result being the same in both cases, there is a different motivation behind Arsenal fans wanting Sanchez sold and Anfield's.
I don't agree with selling Sanchez now once we've decided to hold on to him last summer especially as whatever we get for him will be insignificant and either way O don't trust Wemger to invest it wisely anyways. That being said I can understand people's frustrations and why they may want him sold now rather than let him go on a free after a poor season.