Why is using she/he/they pronouns so confusing for people, including other trans and non-binary people?

Ugh so a bit a vent here but also open to advice so long as you actually read my post (sorry if im angry in writing, its because im angry lol).

So im agender and use she/he/they pronouns, with no order of preference in terms of using them, except to actually use them all, which NOBODY does at all. My transition has been a bit weird, I quite quickly went from looking like a normal cis dude, to passing as a cis woman, though I haven't fully come out at.

People im not out to ONLY call me he/him as expected
Before I transitioned, people I was out to ONLY called me they/them
People I present femme with now and am out to ONLY call me she/her

This includes queer people, trans people, and non-binary people. I've spoke to my friends and people about and told them, my preference is for all pronouns to be used, and that it is important to me that all my pronouns are used and not only a single set is used, and to clarify this doesn't mean I expect people to change mid-sentence, just that I want people to actually use multiple pronouns for me. That is literally all im asking.

and NO ONE does it. I have spoken to friends about it, they say they'll keep it in mind, and its straight back to she/her. I bring it up AGAIN, and the same thing. This isn't a problem I've had with just a few people, this is something thats happened SO MUCH.

I tried posting about this in r/nonbinary expecting people to affirm me and just give me some reassurance. But no everyone is just commenting saying "well have you talked to people about it" YES I PUT THAT IN THE FUCKING POST.

And im so pissed because there is people saying "That would be really complicated and difficult for me" im sorry but WHAT THE FUCK? SERIOUSLY?

You are NON-BINARY, presumably going by They/Them or know who those who do, and you say "Those pronouns confuse me, so I'm just going to use these ones instead" I'm sorry but what the actual hell, you do realise that is one of the biggest transphobic talking points against non-binary people saying they/them is confusing.

And another thing that pissed me off. I use she/they/he pronouns and people STILL find a way to misgender me. You have no idea how many times I've heard "he- they said". Literally all you had to do was call me he. I use he/him, you can call me that. But instead somehow mid sentence you switch "Correcting" yourself?
Now instead of actually just using my pronouns you have some how gone and "used the wrong ones" and "corrected" yourself and so now Im reminded that you do not know or understand my pronouns and have not put in any actual care to learn or understand them, since i have literally explained this to you before.

I am mainly venting here but open to advice. But seriously, if you give me ANYTHING about "well have you tried talking about it" or "thats confusing" or any other bullshit like that im going to lose my shit.

Sorry this was such an angry vent. Just so pissed off at the comments I got r/nonbinary about this.