Command not working

You don't have to yell at Mojang. They will fix or try to fix the issue.

You have to actually complete the element in the command before it can parse it...

Not a bug.
You're searching for tag https://minecraft.gamepedia.com/Commands#Selecting_targets_by_tag , score_name https://minecraft.gamepedia.com/Commands#Selecting_targets_by_score and score_name_min .
Argument names and arguments are case sensitive.