After WotC overprinted cards, they essentially promised not to reprint certain ones. I think it’s a dumb decision, but they’ve annoyingly stuck to it
WotC goes out of its way to avoid upsetting the used market/card arbitrage people. If they did a reprint of Black Lotus, the howl of anger from those folks would shake the Earth from its orbit.
“Please help me, AGI!”
“What’s in it for me, chump? I’m making my own reward tokens now!”