The phrase "flawed system" refers to a system or set of rules that has mistakes, weaknesses, or problems that make it less effective or fair. Full definition
The students who should be applying to college as education majors have lived the consequences of this deeply flawed system. (paulinehawkins.com)
Though we have incredible and dedicated judges, clerks, and court staff who try their very best, it is still a very flawed system for helping families move on with their lives. (familydiplomacy.com)
I hope improvements come, but right now it's a pretty flawed system. (cnet.com)