Regarding selling naked options, people who do that are often trying to keep half their portfolio in cash at all times. Also, they have stop losses ...
Nobody here is selling naked Calls.
All Calls are being sold only when sufficient underlying stock is already owned, therefore all of these Call sales on this message board are Covered Call trades. These are not naked Call sales. No cash needs to be set aside as all the shares are already available via the Call seller should anyone want to exercise their Call option to acquire the underlying stock.