Because Buddhism teaches to detach yourself from caring for things. It isn’t a realistic life and what matters most is the real world God created for us. Experiencing Love by its very nature - is attachment.
I will borrow here from American Apologist Ravi Zacharias (and if you care to you can look up his thoughts on things like this on YouTube);
So take the Dalai Lama himself. His very teaching goal, is to desire ‘nothing’. Yet he wishes for the freedom of Tibet. Contradicting the idea that you can desire ‘nothing’, entirely.
Female monks, live separately from their children in isolation and cry. Because they must obtain a lack of attachment to them.
If that life appeals to you, first question why the place Christianity is booming most, is Asia.
Caring is the most important value in ‘meaning’ in our world. Without it. The entirety of existence is meaningless. Buddhism is unsustainable. And whilst I have done it poor service here to an extent - you should research more yourself.