Sort of like Congress.
Your anger is misdirected. The lawyer is ethically obligated to explore all defenses available --- for the person that is already prosecuted. This is different from enticing someone to start litigation.
Your anger should be directed at the proper target and not against what makes our legal system fair and stable.
1) There is no such thing as "intelligence"
2) There may be such a thing as "intelligence", but IQ tests do no accurately measure it.
3) IQ tests are culturally biased, and therefore unfair and worthless
If any of these arguments are true, then why are other libs using arguments against the death penalty which rely on the accurate measurement of intelligence?