Thats irrelevant they were given equal credit. Thats the current norm. So ur assumption already going against whats established.
WB half a billion behind roger. The world at large still see them similar. Having a higher bounty wont lead to the world view changing.
Hell even if luffy becomes a yonko it wont change much. Law was a warlord at the time( position are technically equal) an oda still equalized them.
ur argument weak my guy, till oda done something to over current portrayal ur in the wrong