Why were Ballymun tower blocks demolished as part of a new civic development?

The Ballymun tower blocks were demolished by the Dublin City Council in the early 21st century because they had become centers for crime and vandalism.1

Constructed in 1969 as part of a satellite development, these high-rise apartment buildings ultimately proved susceptible to the same social issues that plagued similar structures in many other locations. Their removal was initiated as a key component of a new civic development aimed at urban regeneration.1