Exactly bro. Those who do not have any idea about crypto but are good at content delivery will surely benefit a lot.
There are no legal or tax issues because Steem/Pkr Exchange is a community based market place on Steemit and not a company in Pakistan. Also, paying and filing income tax is responsibility of individual.
The exchange does not violate any rule because it is money tranfer between two individuals who are themselves responsible for their legal and tax dealings.