If only it were that simple, businesses in Argentina exporting goods and services would be much happier.
Speaking from experience, when you receive a third party bank transfer from abroad directed to your Argentine USD account number, your banks COMEX department will contact you. They will ask you to either (a) approve pesification at the official rate and have the transfer redirected to your ARS account or (b) reject the transfer and return it to sender. They may also ask you for some additional supporting information and forms to be completed. If you accept pesification and then want to put those pesos into your USD account, you can buy what is left of your monthly $200 allowance from the bank or otherwise you are forced to go through MEP or CCL trades only to end up with less than half the dollars you "received" in pesos.
Then if you receive a third party transfer from within Argentina directed to your USD account number from another USD account number, YMMV, your bank may outright reject the transaction for a variety of reasons (including if the account involved is less than 180 days old or exceeding the "secret" limit the bank has assigned to you) or call you to provide supporting evidence and declarations while they sit on it waiting to release it to you - ultimately not worth the stress when you can just withdraw and deposit the cash in USD and avoid the whole circus.
Note that it is currently impossible to have a USD account with an Argentine bank without also having a linked ARS account at that same bank.