To change this, to elevate one thing over another leads only to rack and ruin as we see in all these short-lived groups. Even the ECUSA with a history of 200 years is short-lived.
You can change how you do church, you can change the time you meet, you can wear blue jeans instead of suites, you can have two services instead of one. There is a lot of things you can do to change rituals, like believing one has to be baptised to be saved.