> believe deportation is morally wrong in certain cases, that is, the law can be selectively broken.

Except that that author didn't say that at all. They said "deport only the lawbreakers", while expressing dismay at a blogpost which (apparently*) said "deport everyone".

> I personally believe laws should always be enforced and followed.

Quote from TFA: "Any kind of mass deportation plan would have to change [the law], which would be legally tricky to say the least. However, enforcing the existing laws requires no legal action, and could start tomorrow if the relevant executive wanted it to."

*Other comments have argued that the post didn't actually say that.