Is this, dare I say,the best anime of all time?
Nope. This is.
Not even the best of its season (that would be Lucky Star) and certainly not the greatest of all time (that would be K-On!!)
Of course. Just look at how often its referenced.
>it's nothing more than mobile suit gundam
I'd say it's Getter robo Armageddon only instead of going for edgy over the top blood baths with psychopaths it decided to tone down the violence and replace the entirety of the show with "homages" while keeping the plot the exact same.