As for DISCO while I do think the intention was to broaden the audience (and still is) they also didn't stray too far afield of those dreaded die-hards. Why set DISCO ten years before TOS? Why go back to the Klingons and create a Klingon War? Why go back to the Mirror Universe? Why make Burnham Spock's sister? Why base the Starship Discovery on an unused Enterprise design? Why fill DISCO with Easter Eggs right from the pilot on? I think DISCO wanted its cake by appealing to the die-hards but also eat it too by dispatching with the things about prior Trek they didn't like or wanted to do away with. Of course that's their right to do, but doing that, while still insisting that DISCO exists in the Prime Universe was bound to stoke some fandom complaints.