Although now that I've chewed it over, I'm not sure it matters whether you keep the people the same or change them....................appreciation for the end results always differ for different folks anyway. It's not necessarily universally agreed anyway.
This is no more or less true for Abrams & Co than it was for the Berman & Co era films, or the mid-TOS films done mostly under Bennett & Co. Some like and some don't like what they respectively did.
There's a UK saying (which undoubtedly has international translation/equivalents) which goes 'What you lose on the swings, you gain on the roundabouts' which basically just means that the positives and negatives of any sort of situation will usually balance each other out.
'If the Apocalypse starts, beep me!' - Buffy Summers
'The sky's the limit.....' Jean-Luc Picard, 'All Good Things'
courtesy of Saquist