I'm not sure this is in Bale's best interest, he should be playing football.

Insight of the situation from much respected Guillem Blague:

https://www.bbc.com/sport/football/53403060

He has enough money for this lifetime; at 30, he should be playing, scoring and winning at a top side. Those are the memories he should be creating rather than wanting to get one over on Zidane. Seems he sees his future sitting in the stand at the Bernabeu, counting cash and eyeing another payday in MLS.