Only because Congress Allows them to, CONGRESS is their Daddy, CONGRESS “ordained and established” the lower courts. CONGRESS Has Direct Authority over What type of cases they can hear. CONGRESS can Forbid the Lower Courts from Hearing ANY CASE THEY CHOOSE, They can also STOP the Supreme Court from hearing any case in an appellate fashion they so choose.
CONGRESS IS THEIR DADDY!!!
Take your ‘yelling’ somewhere else...I don’t MAKE the rules, I just follow them...
If YOU ARE so much better than the rest of us on here, then run for a seat in YOUR area and do something about it!!!