I think if Lawyer gives you crap info and it costs you money that person should be held accountable.
OK... Back to the real world.
In my town I wouldn't be able to find a lawyer willing to go up against another lawyer. That's Adelaide...
If I lived in Melbourne or Sydney? Maybe but even then it would be difficult.
They stick together like a mob family.
IMO Just forget it. Find another way to deal with it if you can or walk away.