The main benefit of RCS is the fact it is available by default on other platforms like certified android and IOS. 3rd party messaging apps hit adoptability issu

The main benefit of RCS is the fact it is available by default on other platforms like certified android and IOS. 3rd party messaging apps hit adoptability issues. A bundled, cross platform E2EE protocol is a huge step above SMS and MMS. Many 3rd party platforms are still better though.