You’re pointing at two separate la Liga team’s home stadiums though. And as the article said, the Santiago bernabeu has been there 80 years. Two derby rivals sharing a stadium is beyond unthinkable, especially with two of the three biggest teams in Spain. They also need a place to train every single day. And the games often happen at the same time, across town.
This is a new problem since the refurbishment. The problem isn’t the location. The problem is the concerts. These locals haven’t been complaining about the football fans because they’re all almost certainly part of that group. But not everyone wants to see concerts or listen to them through their apartment walls.
To piggyback off that: the concept of rent.