Not really in the post 2002 era.
49ers reached a Super Bowl with Kapernick and had a winning record for 3 seasons on the bounce (1.5 with Alex Smith I think)
Rams got to a Super Bowl with Jared Goff.
Arizona got the Super Bowl (and had 2 winning season records) with Warner at QB.
If you go back to 1998 (and before the re-alignement of division in 2002) then Warner's time at the St Loius Rams does come into the equation. To be fair he got to 2 Super Bowls, winning 1 of them.
NFCW last 20 years:
99/00 - Rams NFC champ, NFL champ, K Warner
01/02 - Rams NFC champ, K Warner
05/06 - Seahawks NFC champ, M Hasselback
08/09 - Cardinals NFC champ, K Warner
12/13 - 49ers NFC champ, C Kaepernick
13/14 - Seahawks NFC champ, NFL champ, R Wilson
14/15 - Seahawks NFC champ, R Wilson
18/19 - Rams NFC champ, J Goff
In that time, it's: Warner (3x), Wilson (2x), and Hasselback, Kaepernick, and Goff 1x each
In that time, it's: NFCW 8x, NFCE & NFCS 5x each, NFCN 2x; apart from the North being largely trash, it's not really that odd a distribution