Why do 80s Borns like to gatekeep 1995 from Millennials?

I’m getting sick of being gate kept from it, in my opinion 95 is more millennial than any 80s year anyway, the definition should be changed to people born around the year 2000. Plus that would make me a core Millennial then and no one can tell me I’m Gen z, like what the 80s borns keep doing 🙄. Btw I don’t mean all 80s borns I’m sure some of you are nice.