Does Big Law love civil rights law because it enhances Big Law’s power, prestige and income?

Grok says:

Big Law firms engage in civil rights law to enhance their power, prestige, and indirectly their income, rather than out of a deep passion for the field.
Research suggests that civil rights work, often done pro bono, boosts their reputation and attracts socially conscious clients, which can lead to more business.
The evidence leans toward Big Law valuing civil rights law for strategic benefits, such as visibility in high-profile cases…