fans do the same thing for Zoro they think it's stronger than Luffy
Zoro being stronger than Luffy isn't based on some kinda fan made delusion and no Zoro fan ever piggy bags off of Luffys feats.
Every arc in manga where Zoro was stronger than Luffy I can back that up with feats.
But it isn't even about power levels anymore..when it comes to hierarchy Zoro can cancel Luffys orders and Luffy can cancel Zoros.
Its not like Zoro always follows his command. That's why role of a real captain is kinda hazy..Luffy calls himself captain because he started the crew.
But he barely assumes role of a captain.