The United States is heavily Protestant and historically prejudiced against Catholics (Can anyone remember Kennedy and the big stink of all that?) and many have unknowingly adopted the “standard” of the US, as if it were the Standard of the entire Catholic Church.
Your PROTESTANT cousins have defined you, and placed a name on you that is inaccurate. And while they may be and consider themselves to be catholic, if you ask them what church they go to, would they say catholic or tell you which denomination they went to?
What you need to realize is that to call the entire Catholic Church, ROMAN Catholic is completely offensive to our Eastern brethren, so even if YOU personally do not find it offensive, there are many who are part of the Catholic Church who are in no way “Roman” at all, who find it completely offensive.
It makes them feel like unwanted step children, instead of brothers and sisters in Christ who are in FULL communion with the bishop of Rome.
So even if you, a Latin Rite Catholic do not find the term offensive, you should respect those who are united with the bishop of Rome and learn to refer to the entire Catholic Church as Catholic instead of Roman Catholic.
Respectfully,
Maria