[Saline9515]

Sanction strengthen the political grip of a regime on society, which can use them as a justification for its repression. They also hollow-out the middle class, which prevents a democratic societal change, which requires it.

In the case of a war, it is of course useful, but it won't solve the long-term issue of the nature of the Russian regime, which has gotten only more entrenched since 2014.