𝗠𝗢𝗥𝗘 𝗚𝗥𝗢𝗪𝗧𝗛 𝗠𝗢𝗥𝗘 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗚𝗨𝗔𝗥𝗔𝗡𝗧𝗘𝗘𝗗

 If you have little to do, it's not a problem.

However, if you're busy... this is not feasible. 

 Finding good people is difficult,  training them is expensive.

Even if you find the perfect person... You still rely on one individual. 

 Don't have a marketing budget of tens of thousands of euros per month? Well then your account is often managed by the intern of the assistant of the assistant. Not ideal.