They also do it because their narcissists and crave constant attention and validation. That's the reason for all the virtue signaling, they just want the illusion of being virtuous so they can reap all the kudos without having to deal with the hard work and responsibility.
Plus a big dose of victimhood.
They play the victim because it's easier and it avoids responsibility. Laziness is a substrate that victimology thrives on.
They also do it because their narcissists and crave constant attention and validation. That's the reason for all the virtue signaling, they just want the illusion of being virtuous so they can reap all the kudos without having to deal with the hard work and responsibility.