If you have an issue with "Putting people in smaller and smaller box"es then you should start your rants by addressing religion or American voter policy.
Your take reads like in America's history black people were always able to vote and Civil Rights was really a rebranding of their rights because Black Americans collectively just wanted to now call it the 'Black Vote'.
Religions are predicated on in-group out-group dynamics, and the shared schizophrenic delusion of a, specifically old white male in the case of the dominant American religion Christianity, in the clouds telling them to hate homosexuals.
Your take ignores the fact that the oppressor is often the one compartmentalizing.
For example, the church refusing to marry same sex couples. So homosexual specific civil rights movements organize to force the hand of the chuch to begrudgingly allow them to marry.
But some people still want to tell trans people they are forbidden from using a bathroom. So now a T specific civil rights movement is needed from the previous compartment they were just lumped into of 'homosexual' because the L and Gs can use bathrooms without issue.
I agree the end goal should be one category: Entropic Debris. It encompasses all that is and will ever be.
I think compartmentalizing humanity as separate from the rocks we see in the night sky is unscientific, but I can recognise that such a take fails to address any of the frought and nuanced elements of contemporary human social interactions that need to be addressed with specificity.